%0 Journal Article %A R. N. Gumerov %A A. Sh. Sharafutdinov %T A low-rank approximation of tensors and the topological group structure of invertible matrices %J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki %D 2018 %P 788-796 %V 160 %N 4 %U http://geodesic.mathdoc.fr/item/UZKU_2018_160_4_a16/ %G en %F UZKU_2018_160_4_a16