00949nam0-22003491i-450 99000084391040332120200506102640.00-387-90327-5000084391FED01000084391(Aleph)000084391FED0100008439120001010d1978----km-y0itay50------baengUSy-------001yyPartial differential equationsF. John3. ed.New yorkSpringer-Verlag1978IX, 198 p.24 cmApplied mathematical sciences1Equazioni differenziali alle derivate parrziali535.353John,Fritz331219ITUNINARICAUNIMARCBK99000084391040332102 33 E 32833FINBNFINBNPartial differential equations332400UNINAING01