@article{CHEB_2021_22_1_a34,
     author = {A. A. Trofimuk},
     title = {A remark on a product of two formational tcc-subgroups},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {495--501},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2021_22_1_a34/}
}