@article{IVM_1971_3_a6,
     author = {A. G. Kurosh},
     title = {Free decompositions in certain varieties of multioperator groups},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {50--54},
     publisher = {mathdoc},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1971_3_a6/}
}