00769nam0-22002651i-450-990001288170403321000128817FED01000128817(Aleph)000128817FED0100012881720000920d1987----km-y0itay50------baeng<<The >>homotopy index and partial differential equationsby RYBAKOWSKI, KrzysztofBerlin [etc.]Springer-Verlag1987UniversitextRybakowski,Krzysztof P.58704ITUNINARICAUNIMARCBK990001288170403321C-6-(245008MA1MA1Homotopy index and partial differential equations384746UNINAING01