00799nam0-22002771i-450-990001135980403321000113598FED01000113598(Aleph)000113598FED0100011359820000920d1961----km-y0itay50------baengNuclear Reactor Theoryby Birkhoff,Wigners.l.American Mathematical Society1961Proceedings of symposia in applied mathematicsXI Vol.Birkhoff,Garrett<1911-1996>13068Wigner,Eugene Paul<1902- >ITUNINARICAUNIMARCBK990001135980403321C-49-(114587MA1MA1Nuclear Reactor Theory345167UNINAING01