@article{DAN_1961_141_1_a4,
     author = {A. S. Dynin},
     title = {Singular operators of arbitrary order on a manifold},
     journal = {Doklady Akademii Nauk},
     pages = {21--23},
     year = {1961},
     volume = {141},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_1_a4/}
}