00911nam0-22003011i-450 99000084469040332120201007141808.00-12-059510-9000084469FED01000084469(Aleph)000084469FED0100008446920020821d1986----km-y0itay50------baengUSy-------001yyElementary partial differential equations with boundary value problemsL. C. AndrewsOrlando ; San DiegoAcademic Press College Division1986XII, 520 p.24 cm515.353Andrews,Larry C.41532ITUNINARICAUNIMARCBK99000084469040332102 35 E 324584FINBNFINBNElementary partial differential equations with boundary value problems348745UNINA