TY - JOUR AU - T. A. Suslina TI - Approximation of the resolvent of a~twoparametric quadratic operator pencil near the bottom of the spectrum JO - Algebra i analiz PY - 2013 SP - 221 EP - 251 VL - 25 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2013_25_5_a7/ LA - ru ID - AA_2013_25_5_a7 ER -