TY - JOUR AU - A. A. Kuleshov TI - Pseudodifferential operators in $R^n$.~I JO - Differencialʹnye uravneniâ PY - 1973 SP - 890 EP - 900 VL - 9 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1973_9_5_a12/ LA - ru ID - DE_1973_9_5_a12 ER -