TY - JOUR AU - L. E. Rossovskii TI - Strongly elliptic difference-differential operators in semibounded cylinder JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2001 SP - 289 EP - 293 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2001_7_1_a19/ LA - ru ID - FPM_2001_7_1_a19 ER -