TY - JOUR AU - A. A. Khromov TI - Approximating properties of the powers of the differentiation operator resolvent JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2009 SP - 75 EP - 78 VL - 9 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2009_9_3_a13/ LA - ru ID - ISU_2009_9_3_a13 ER -