TY - JOUR AU - V. G. Safonov AU - I. N. Safonova TI - Separability of the lattice of $\tau$-closed totally $\omega$-saturated formations of finite groups JO - Problemy fiziki, matematiki i tehniki PY - 2017 SP - 76 EP - 83 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2017_4_a13/ LA - ru ID - PFMT_2017_4_a13 ER -