00841nam0-22002411i-450-990001241270403321000124127FED01000124127(Aleph)000124127FED0100012412720000920d1983----km-y0itay50------baengNON-LINEAR partial differential operators and quantization proceduresProceedings of a Workshop at Clausthal Fede ral Republic of Germany, 1981.by S.I.AND ERSSON H.D.DOEBNER.Berlin [etc.]Springer-Verlag1983.Lecture Notes in Mathematics1037ITUNINARICAUNIMARCBK990001241270403321C-20-(103721646MA1MA1Non-linear partial differential operators and quantization procedures80024UNINAING01