TY - JOUR AU - V. V. Ryzhikov TI - Weakly homoclinic groups of ergodic actions JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 2019 SP - 97 EP - 111 VL - 80 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_2019_80_1_a3/ LA - ru ID - MMO_2019_80_1_a3 ER -