01175nam a2200301 i 450099100113567970753620020507183920.0961025s1972 uk ||| | eng b10805813-39ule_instLE01307615ExLDip.to Matematicaeng530.133AMS 82B23AMS 82C22Bogolyubov, N. N.534728A method for studyng model hamiltonians :a minimax principle for problems in statistical physics /N. N. Bogolyubov ; translated and edited by P. J. ShepherdOxford :Pergamon Press,1972vi, 170 p. ;22 cm.International series of monographs in natural philosophy ;43Exactly solvable modelsInteracting particle systemsShepherd, P. J..b1080581323-02-1728-06-02991001135679707536LE013 82B BOG11 (1972)12013000064024le013-E0.00-l- 00000.i1091041428-06-02Method for studyng model hamiltonians925815UNISALENTOle01301-01-96ma -enguk 21