On pseudo-differential operators of the principal type
Doklady Akademii Nauk, Tome 171 (1966) no. 4, pp. 778-780
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@article{DAN_1966_171_4_a3,
author = {Yu. V. Egorov},
title = {On pseudo-differential operators of the principal type},
journal = {Doklady Akademii Nauk},
pages = {778--780},
publisher = {mathdoc},
volume = {171},
number = {4},
year = {1966},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1966_171_4_a3/}
}
Yu. V. Egorov. On pseudo-differential operators of the principal type. Doklady Akademii Nauk, Tome 171 (1966) no. 4, pp. 778-780. http://geodesic.mathdoc.fr/item/DAN_1966_171_4_a3/