On the spectrum of a non-selfadjoint differential operator of even order
Doklady Akademii Nauk, Tome 150 (1963) no. 4, pp. 726-729
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@article{DAN_1963_150_4_a4,
author = {M. M. Gekhtman},
title = {On the spectrum of a non-selfadjoint differential operator of even order},
journal = {Doklady Akademii Nauk},
pages = {726--729},
publisher = {mathdoc},
volume = {150},
number = {4},
year = {1963},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1963_150_4_a4/}
}
M. M. Gekhtman. On the spectrum of a non-selfadjoint differential operator of even order. Doklady Akademii Nauk, Tome 150 (1963) no. 4, pp. 726-729. http://geodesic.mathdoc.fr/item/DAN_1963_150_4_a4/