TY - JOUR AU - T. V. Stepanova TI - The estimation from below of orders of separation in the quasianalytic case JO - Differencialʹnye uravneniâ PY - 1975 SP - 930 EP - 933 VL - 11 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1975_11_5_a20/ LA - ru ID - DE_1975_11_5_a20 ER -