%0 Journal Article %A A. M. Khalfina %T The limiting equivalence of the canonical and grand canonical ensembles (low density case) %J Sbornik. Mathematics %D 1969 %P 1-52 %V 9 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1969_9_1_a0/ %G en %F SM_1969_9_1_a0