TY  - JOUR
AU  - A. A. Trofimuk
TI  - A remark on a product of two formational tcc-subgroups
JO  - Čebyševskij sbornik
PY  - 2021
SP  - 495
EP  - 501
VL  - 22
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CHEB_2021_22_1_a34/
LA  - ru
ID  - CHEB_2021_22_1_a34
ER  -