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@article{MZM_1970_7_2_a5, author = {Yu. E. Vapn\'e}, title = {On the representability of a direct interlacing of groups by matrices}, journal = {Matemati\v{c}eskie zametki}, pages = {181--189}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1970_7_2_a5/} }
Yu. E. Vapné. On the representability of a direct interlacing of groups by matrices. Matematičeskie zametki, Tome 7 (1970) no. 2, pp. 181-189. http://geodesic.mathdoc.fr/item/MZM_1970_7_2_a5/