@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/}
}