TY - JOUR AU - A. M. Vershik TI - A theorem on the Markov periodic approximation in ergodic theory JO - Zapiski Nauchnykh Seminarov POMI PY - 1982 SP - 72 EP - 82 VL - 115 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1982_115_a5/ LA - ru ID - ZNSL_1982_115_a5 ER -