@article{MZM_1999_65_3_a6,
     author = {A. N. Skiba},
     title = {On factorizations of compositional formations},
     journal = {Matemati\v{c}eskie zametki},
     pages = {389--395},
     publisher = {mathdoc},
     volume = {65},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_65_3_a6/}
}