%0 Journal Article %A G. F. Laptev %T Differential geometry of imbedded manifolds. Group theoretical method of differential geometric investigations %J Trudy Moskovskogo matematičeskogo obŝestva %D 1953 %P 275-382 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_1953_2_a5/ %G ru %F MMO_1953_2_a5