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@article{DE_1965_1_5_a13, author = {E. A. Ivanov}, title = {{\CYRG}.\,{\CYRN}.~{\CYRP}{\cyro}{\cyrl}{\cyro}{\cyrzh}{\cyri}{\cyrishrt}. {{\CYRU}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrf}{\cyri}{\cyrz}{\cyri}{\cyrk}{\cyri}. {{\CYRI}{\cyrz}{\cyrd}-{\cyrv}{\cyro}} {{\guillemotleft}{\CYRV}{\cyrery}{\cyrs}{\cyrsh}{\cyra}{\cyrya}} {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyra}{\guillemotright}, {{\CYRM}.,} 1964}, journal = {Differencialʹnye uravneni\^a}, pages = {701--704}, publisher = {mathdoc}, volume = {1}, number = {5}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1965_1_5_a13/} }
E. A. Ivanov. Г.\,Н.~Положий. Уравнения математической физики. Изд-во «Высшая школа», М., 1964. Differencialʹnye uravneniâ, Tome 1 (1965) no. 5, pp. 701-704. http://geodesic.mathdoc.fr/item/DE_1965_1_5_a13/