TY - JOUR AU - E. M. Landis TI - Theorems of Phragm\'en--Lindel\"of type for solutions of elliptic equations of high order JO - Doklady Akademii Nauk PY - 1970 SP - 32 EP - 35 VL - 193 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_193_1_a6/ LA - ru ID - DAN_1970_193_1_a6 ER -