@article{SM_1972_18_2_a2,
author = {V. N. Tulovskii},
title = {Asymptotic distribution of eigenvalues of differential equations},
journal = {Sbornik. Mathematics},
pages = {191--207},
year = {1972},
volume = {18},
number = {2},
language = {en},
url = {http://geodesic.mathdoc.fr/item/SM_1972_18_2_a2/}
}
V. N. Tulovskii. Asymptotic distribution of eigenvalues of differential equations. Sbornik. Mathematics, Tome 18 (1972) no. 2, pp. 191-207. http://geodesic.mathdoc.fr/item/SM_1972_18_2_a2/
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