01062nam--2200313---450099000107608020331620020507110853.0000107608USA01000107608(ALEPH)000107608USA0100010760820020507d1980----km-y0ENGy0103----baengDEGeometric Methods in Mathematical Physicsproceedings of an NSF_CBMS Conference held at the University of Lowell, Massachusetts, March 19-23, 1979edited by G. Kaiser and J.E. MarsdenBerlinSpringer verlag1980VII, 257 p.ill.24 cmLecture notes in mathematics7752001Lecture notes in mathematics775516.36ITsalbcISBD990001076080203316510 LNM 775890351000109874BKSCIALESSANDRA9020020507USA011108PATRY9020040406USA011714Geometric methods in mathematical physics80590UNISA