Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1978_24_5_a10, author = {A. A. Dezin}, title = {Weak and strong extensions of differential operators}, journal = {Matemati\v{c}eskie zametki}, pages = {687--698}, publisher = {mathdoc}, volume = {24}, number = {5}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1978_24_5_a10/} }
A. A. Dezin. Weak and strong extensions of differential operators. Matematičeskie zametki, Tome 24 (1978) no. 5, pp. 687-698. http://geodesic.mathdoc.fr/item/MZM_1978_24_5_a10/