TY - JOUR AU - V. M. Selkin TI - On minimal $\tau$-closed $\omega$-local non $\mathfrak H$-formations JO - Trudy Instituta matematiki PY - 2008 SP - 81 EP - 85 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMB_2008_16_1_a13/ LA - ru ID - TIMB_2008_16_1_a13 ER -