TY - JOUR AU - V. G. Krotov AU - M. A. Prokhorovich TI - The Luzin approximation of functions from the classes $W^p_\alpha$ on metric spaces with measure JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2008 SP - 55 EP - 66 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2008_5_a6/ LA - ru ID - IVM_2008_5_a6 ER -