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@article{MS_1974__135_2_a5, author = {{\CYRE}.{\CYRA}. {\CYRF}{\cyra}{\cyrd}{\cyre}{\cyre}{\cyrv}{\cyra}}, title = {{\CYRG}{\cyri}{\cyrp}{\cyre}{\cyrr}{\cyrb}{\cyro}{\cyrl}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrp}{\cyre}{\cyrr}{\cyrv}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyra} {\cyrs} {\cyrp}{\cyro}{\cyrs}{\cyrt}{\cyro}{\cyrya}{\cyrn}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrk}{\cyro}{\cyrerev}{\cyrf}{\cyrf}{\cyri}{\cyrc}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyra}{\cyrm}{\cyri}}, journal = {Matemati\v{c}eskij sbornik}, pages = {254--267}, publisher = {mathdoc}, volume = {135}, number = {2}, year = {1974}, zbl = {0287.35067}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1974__135_2_a5/} }
Е.А. Фадеева. Гиперболические уравнения первого порядка с постоянными операторными коэффициентами. Matematičeskij sbornik, Tome 135 (1974) no. 2, pp. 254-267. http://geodesic.mathdoc.fr/item/MS_1974__135_2_a5/