%0 Journal Article %A A. I. Shkuratskii %T The problem of generation of free groups by two unitary triangular matrices %J Matematičeskie zametki %D 1978 %P 411-414 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1978_24_3_a13/ %G ru %F MZM_1978_24_3_a13