@article{ZVMMF_2010_50_11_a4,
     author = {P. N. Vabishchevich},
     title = {Factorized {SM-stable} two-level schemes},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1919--1925},
     publisher = {mathdoc},
     volume = {50},
     number = {11},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2010_50_11_a4/}
}