00000nam a2200000 a 4500 20251203110444.0 3540411607 515.353 GIL GILBARG,DAVID ELLIPTIC PARTIAL DIFFERENTIAL EQUATIONS OF SECOND ORDER BERLIN SPRINGER-VERLAG 1998 CLASSICS IN MATHEMATICS PARTIAL DIFFERENTIAL EQUATIONS TRUDINGER,NEIL S. ENG 515 _ 107292 LIBSC C 90608 90608 0 0 0 0 PU PU 2004-02-04 1249.81 0 515.353 GIL 107292 BK