@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},
     year = {1978},
     volume = {24},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1978_24_5_a10/}
}