TY - JOUR AU - D. V. Lymanskyi AU - M. M. Malamud TI - On an Analog of de Leeuw and Mirkil Theorem for Operators with Variable Coeficients JO - Matematičeskie zametki PY - 2008 SP - 783 EP - 786 VL - 83 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2008_83_5_a14/ LA - ru ID - MZM_2008_83_5_a14 ER -