Publications:

    Revista Mathematica Iberoamericana, 7 (3) 1991, 221-246.

    Revista Matematica Iberoamericana., Vol. 8, No.3, 1992, 367-439.

    Comm. in Partial Differential Equations, 17 (7&8), 1992, 1213-1251.

    Proceedings of Amer. Math. Soc. 117, No. 4, 1993, 971-978.

    Differential And Integral Equations, 7 (1), 1994, 73-100.

    Revista Matematica Iberoamericana, 10 (4), 1994, 453-466.

    Publicacions Mathematiques v. 39(1), 1995, 187-200.

    C.R. Acad. Sci., Paris, t.320, Serie I, p. 429-434, 1995.

    Ann. Inst. Fourier (Grenoble), 45 (1995), 577-604.

    Potential Analysis, 4 (1995) No. 4, 361-375.

    Publicacions Matematiques, 39 (2), 1995, 314-334.

    Proceedings of 16th Rolf Nevanlinna Colloquium, Joensuu, August,1995, 91-99.

    International Math. Res. Notices, No. 1, 1996, 1-14.

    Comm. In Partial Differential Equations, 21 (1 & 2), 1996, 235-254.

    Publications Matematiques 40 (2), 1996, 301-329.

    PanAmerican Mathematical Journal, (133) 1997, No. 2, 340-354.

    Electronic Research Announcements of AMS, vol. 3, 1997, 83-89.

    Potential Analysis, 7 (1997), 603-614.

    Journal of Differential Equations, (133) 1997, No. 2 340-354.

    Mathematical Research Letters, 4 1997, 777-790.

    C. R. Acad. Sci. Paris., t.326, Serie I, 1998, 691-696.

    Approximation theory and its applications, 14 (1), 1998, 69-80.

    Bulletin of London Math. Soc 30, 1998, 578-584.

    Indian Univ. Math. Jour. 47 (1), 1998, 123-151.

    Nonlinear Analysis 38, 1999, No.7, 919-932.

    J. Approx. Theory 101, 1999, No. 1, 49-62.

    Math. Sci. Res. Hot-Line 3 (6), 1999, 1-27.

    Canadian Math. Bulletin, 43, 2000, No. 1, 63-68.

    Proceedings of Amer. Math. Soc., 128, 2000, No. 1, 75-84.

    Studia Mathematica, 142(2) (2000), 101-133.

    Acta Mathematica Sinica, English Series, 16(3) (2000), 405-444.

    Richerche Matematicas, Vol. XLIX (2000), 177-193.

    Ann. Mat. Pura. Appl. (IV), vol. CLXXIX (2001), 309-329.

    Differential and Integral Equations, V.14 (11), 2001, 1367-1380.

    Indiana University Math. Journal 50 (2001), no. 4, 1567--1591.

    Analysis Mathematica 28 (2002), no. 2, 103--134.

    Acta Mathematica Sinica, English Series 18 (2002), no. 1, 1--20.

    Mathematische Annalen 323 (2002), no. 1, 157--174

    Acta Math. Sinica, English Series 18 (2002), no. 2, 375--390

    Publ. Mat. 47 (2003), no. 1, 45--69.

    Math. Z. 244 (2003), no. 2, 309--335

    Calc. Var. Partial Differential Equations 19 (2004), no. 1, 1--22.

    Acta Math. Sin. (Engl. Ser.) 20 (2004), no. 1, 25--46.

    Constr. Approx. 20 (2004), no. 4, 647--668.

    Comm. Pure Appl. Math. 57 (2004), no. 11, 1458--1493.

    Comm. Appl. Nonlinear Anal. 12 (2005), no. 1, 1--24.

    Sci. China Ser. A 48 (2005), no. 11, 1505-1516.

    Amer. J. Math. 128 (2006), no. 2, 453--480.

    Forum Math. 18 (2006), no. 6, 907--921

    Journal of Functional Analysis 249 (2007) 393–424.

    Revista Mathematica Iberoamericana, 23 (2007), 191-200.

    Acta Math. Sin. (Engl. Ser.) 23 (2007), no. 4, 735-744.

    Advances in Mathematics, 217(2008), 1838-1868.

    Communication in Partial Differential Equations, 33: 1788–1817, 2008.

    submitted

    Discrete Contin. Dyn. Syst. 25 (2009), no. 3, 963–979.

     Adv. Math. 220 (2009), no. 4, 1135–1170.

     Ann. Sc. Norm. Super. Pisa Cl. Sci. (5) 9 (2010), no. 4, 645–685.

     Trends in partial differential equations, 99–191, Adv. Lect. Math. (ALM), 10, Int. Press, Somerville, MA, 2010

    Nonlinear Anal. 70 (2009), no. 8, 2992–3001.

    J. Geom. Anal. 20 (2010), no. 3, 670–689.

    J. Funct. Anal. 258 (2010), no. 8, 2817–2833.

    Forum Math. 23 (2011), 729–756.

     Calc. Var. PDEs (2011) 42:563–577

    Memoires of AMS 214, 2011

     Math. Res. Lett. 18 (2011), no. 2, 337–352.

     Journal of Differential Equations.

     Journal of Geometric Analysis.

     Pacific Journal of Mathematics.

     Nonlinear Analysis-Theory, Methods and Applications, Published Online in December 2011 .

     Journal of Functional Analysis, 262 (2012), 1132-1165.

     Nonlinear Analysis-Theory, Methods and Applications, Published Online in November, 2011.

     arXiv:1112.6431v1

     arXiv:1012.5489v1

     arXiv:1112.6397v11