TY - JOUR AU - A. D. Egorov AU - P. I. Sobolevskii TI - Linear partial differential equations in function spaces JO - Differencialʹnye uravneniâ PY - 1977 SP - 1716 EP - 1719 VL - 13 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_9_a18/ LA - ru ID - DE_1977_13_9_a18 ER -