The cluster model and the saddle point method
русский/английский/The cluster model and the saddle point method / S.S. Lapuškin a.o.The cluster model and the saddle point method / S.S. Lapuškin a.o.The cluster model and the saddle point method.Б. м./, 1975 ( ). - 1975.The cluster model and the saddle point method. Б. м., 1975 .