TY - JOUR AU - I. Sh. Kalimullin AU - V. G. Puzarenko AU - M. Kh. Faizrakhmanov TI - Positive presentations of families in relation to reducibility with respect to enumerability JO - Algebra i logika PY - 2018 SP - 492 EP - 498 VL - 57 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2018_57_4_a5/ LA - ru ID - AL_2018_57_4_a5 ER -