%0 Journal Article %A V. A. Mirzoyan %T Submanifolds with semiparallel tensor fields as envelopes %J Sbornik. Mathematics %D 2002 %P 1493-1505 %V 193 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2002_193_10_a4/ %G en %F SM_2002_193_10_a4