Spectral characteristics of general boundary-value problems for operator $D^2$
Matematičeskie zametki, Tome 37 (1985) no. 2, pp. 249-256
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@article{MZM_1985_37_2_a11,
author = {A. A. Dezin},
title = {Spectral characteristics of general boundary-value problems for operator~$D^2$},
journal = {Matemati\v{c}eskie zametki},
pages = {249--256},
year = {1985},
volume = {37},
number = {2},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_1985_37_2_a11/}
}
A. A. Dezin. Spectral characteristics of general boundary-value problems for operator $D^2$. Matematičeskie zametki, Tome 37 (1985) no. 2, pp. 249-256. http://geodesic.mathdoc.fr/item/MZM_1985_37_2_a11/