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@article{MS_1968__118_2_a5, author = {{\CYRB}.{\CYRM}. {\CYRL}{\cyre}{\cyrv}{\cyri}{\cyrt}{\cyra}{\cyrn}}, title = {{\CYRI}{\cyrs}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri} {{\CYRG}{\cyrr}{\cyri}{\cyrn}{\cyra}} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {{\CYRSH}{\cyrt}{\cyru}{\cyrr}{\cyrm}{\cyra}-{\CYRL}{\cyri}{\cyru}{\cyrv}{\cyri}{\cyrl}{\cyrl}{\cyrya}} {\cyrs} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyrn}{\cyrery}{\cyrm} {\cyrk}{\cyro}{\cyrerev}{\cyrf}{\cyrf}{\cyri}{\cyrc}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyro}{\cyrm}}, journal = {Matemati\v{c}eskij sbornik}, pages = {239--270}, publisher = {mathdoc}, volume = {118}, number = {2}, year = {1968}, zbl = {0162.19902}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1968__118_2_a5/} }
Б.М. Левитан. Исследование функции Грина уравнения Штурма-Лиувилля с операторным коэффициентом. Matematičeskij sbornik, Tome 118 (1968) no. 2, pp. 239-270. http://geodesic.mathdoc.fr/item/MS_1968__118_2_a5/