TY - JOUR AU - E. S. Vasilevskaya AU - T. A. Suslina TI - Threshold approximations of a~factorized selfadjoint operator family with the first and the second correctors taken into account JO - Algebra i analiz PY - 2011 SP - 102 EP - 146 VL - 23 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2011_23_2_a4/ LA - ru ID - AA_2011_23_2_a4 ER -