01130nam--2200349---450-99000329910020331620090731101958.0000329910USA01000329910(ALEPH)000329910USA0100032991020090731d1961----km-y0itay50------baengUSy---||||001yyQualitative methods in the many body problemG. F. Khilmitranslated from the russian by B.D. SecklerNew YorkGordon and Breachcopyr. 1961XI, 116 p.ill.22 cmRussian tracts on advanced mathematics and physics2001Russian tracts on advanced mathematics and physicsTeoria quantistica dei campi530.144KHILMI,G.F.605447SECKLER,B.D.ITsalbcISBD990003299100203316530.144 KHI10895/CBS530.14400325539BKSCIRSIAV79020090731USA011019Qualitative methods in the many body problem1122706UNISA