AN IRREGULAR OBLIQUE DERIVATIVE PROBLEM FOR SOME NONLINEAR ELLIPTIC EQUATIONS OF SECOND ORDER
Wen Guochun1, Huang Sha2
1. Department of Mathematics, Peking University, Beijing 100871, China; 2. Department of Mathematics, Hebei Normal University, Shijiazhung 050016, China
Wen Guochun, Huang Sha. AN IRREGULAR OBLIQUE DERIVATIVE PROBLEM FOR SOME NONLINEAR ELLIPTIC EQUATIONS OF SECOND ORDER[J].Acta mathematica scientia,Series B, 1998, 18(3): 271-277.