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@article{MS_1972__131_2_a2, author = {{\CYRV}.{\CYRN}. {\CYRT}{\cyru}{\cyrl}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}}, title = {{\CYRA}{\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyre} {\cyrr}{\cyra}{\cyrs}{\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrs}{\cyro}{\cyrb}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt}}, journal = {Matemati\v{c}eskij sbornik}, pages = {191--206}, publisher = {mathdoc}, volume = {131}, number = {2}, year = {1972}, zbl = {0248.35096}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1972__131_2_a2/} }
В.Н. Туловский. Асимптотическое распределение собственных значений дифференциальных уравнений. Matematičeskij sbornik, Tome 131 (1972) no. 2, pp. 191-206. http://geodesic.mathdoc.fr/item/MS_1972__131_2_a2/