TY - JOUR AU - A. A. Dezin TI - Weak and strong extensions of differential operators JO - Matematičeskie zametki PY - 1978 SP - 687 EP - 698 VL - 24 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1978_24_5_a10/ LA - ru ID - MZM_1978_24_5_a10 ER -