TY - JOUR AU - A. G. Chentsov TI - Asymptotically attainable elements: Generalized constructions and the realization in the class of approximate solutions JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1995 SP - 443 EP - 456 VL - 211 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1995_211_a30/ LA - ru ID - TM_1995_211_a30 ER -