%0 Journal Article %A N. N. Gorobey %A A. S. Lukyanenko %T Operator representation of gravitational constraints for the case of the closed universe %J Teoretičeskaâ i matematičeskaâ fizika %D 1995 %P 503-507 %V 105 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1995_105_3_a15/ %G ru %F TMF_1995_105_3_a15