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@article{MS_1972__130_4_a7, author = {{\CYRA}.{\CYRI}. {\CYRV}{\cyro}{\cyrl}{\cyrsftsn}{\cyrp}{\cyre}{\cyrr}{\cyrt}}, title = {{\CYRD}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrn}{\cyra} {\cyrg}{\cyrr}{\cyra}{\cyrf}{\cyra}{\cyrh}}, journal = {Matemati\v{c}eskij sbornik}, pages = {578--588}, publisher = {mathdoc}, volume = {130}, number = {4}, year = {1972}, zbl = {0242.35015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1972__130_4_a7/} }
А.И. Вольперт. Дифференциальные уравнения на графах. Matematičeskij sbornik, Tome 130 (1972) no. 4, pp. 578-588. http://geodesic.mathdoc.fr/item/MS_1972__130_4_a7/