TY - JOUR AU - A. G. Baskakov TI - Spectral Analysis of Linear Differential Operators and Semigroups of Finite-Difference Operators: II JO - Differencialʹnye uravneniâ PY - 2001 SP - 3 EP - 11 VL - 37 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2001_37_1_a0/ LA - ru ID - DE_2001_37_1_a0 ER -