TY - JOUR AU - V. V. Ryzhikov TI - The $\varepsilon$-free Rokhlin--Halmos property is not satisfied for the actions of the group~$\mathbb Z^2$ JO - Matematičeskie zametki PY - 1988 SP - 208 EP - 215 VL - 44 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1988_44_2_a5/ LA - ru ID - MZM_1988_44_2_a5 ER -