%0 Journal Article %A M. V. Vavrukh %T Mean energy and binary distribution function in the ground state of Bose systems %J Teoretičeskaâ i matematičeskaâ fizika %D 1978 %P 263-272 %V 35 %N 2 %U http://geodesic.mathdoc.fr/item/TMF_1978_35_2_a11/ %G ru %F TMF_1978_35_2_a11