%0 Journal Article %A P. G. Parfenov %T Orbits and their closures in the spaces $\mathbb C^{k_1}\otimes\dots\otimes\mathbb C^{k_r}$ %J Sbornik. Mathematics %D 2001 %P 89-112 %V 192 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2001_192_1_a4/ %G en %F SM_2001_192_1_a4