%0 Journal Article %A Yu. M. Shirokov %T Different quantizations and different classical limits of quantum theory %J Teoretičeskaâ i matematičeskaâ fizika %D 1976 %P 309-322 %V 29 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1976_29_3_a2/ %G ru %F TMF_1976_29_3_a2