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@article{MS_1968__118_2_a0, author = {{\CYRYU}.{\CYRV}. {\CYRS}{\cyri}{\cyrd}{\cyro}{\cyrr}{\cyro}{\cyrv}}, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {{\CYRK}{\cyro}{\cyrsh}{\cyri}} {\cyrd}{\cyrl}{\cyrya} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrp}{\cyre}{\cyrr}{\cyrv}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyra} {\cyrp}{\cyro} {\cyrv}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyri} {\cyrs} {\cyrd}{\cyrv}{\cyru}{\cyrm}{\cyrya} {\cyrn}{\cyre}{\cyrz}{\cyra}{\cyrv}{\cyri}{\cyrs}{\cyri}{\cyrm}{\cyrery}{\cyrm}{\cyri} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrm}{\cyri}}, journal = {Matemati\v{c}eskij sbornik}, pages = {155--166}, publisher = {mathdoc}, volume = {118}, number = {2}, year = {1968}, zbl = {0162.40703}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1968__118_2_a0/} }
Ю.В. Сидоров. Задача Коши для уравнения первого порядка по времени с двумя независимыми переменными. Matematičeskij sbornik, Tome 118 (1968) no. 2, pp. 155-166. http://geodesic.mathdoc.fr/item/MS_1968__118_2_a0/