TY - JOUR AU - A. G. Baskakov AU - V. B. Didenko TI - On invertibility states of differential and difference operators JO - Izvestiya. Mathematics PY - 2018 SP - 1 EP - 13 VL - 82 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2018_82_1_a0/ LA - en ID - IM2_2018_82_1_a0 ER -