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@article{MS_1969__121_4_a1, author = {{\CYRM}.{\CYRV}. {\CYRF}{\cyre}{\cyrd}{\cyro}{\cyrr}{\cyryu}{\cyrk}}, title = {{\CYRA}{\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyrery} {\cyrv} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyro}{\cyrb}{\cyrery}{\cyrk}{\cyrn}{\cyro}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\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 = {477--516}, publisher = {mathdoc}, volume = {121}, number = {4}, year = {1969}, zbl = {0215.44801}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1969__121_4_a1/} }
М.В. Федорюк. Асимптотические методы в теории обыкновенных линейных дифференциальных уравнений. Matematičeskij sbornik, Tome 121 (1969) no. 4, pp. 477-516. http://geodesic.mathdoc.fr/item/MS_1969__121_4_a1/