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@article{MS_1981__158_4_a9, author = {{\CYRYU}.{\CYRV}. {\CYRE}{\cyrg}{\cyro}{\cyrr}{\cyro}{\cyrv}}, title = {{\CYRU}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrg}{\cyrl}{\cyra}{\cyrv}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrt}{\cyri}{\cyrp}{\cyra}. {{\CYRD}{\cyro}{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyro}{\cyrch}{\cyrn}{\cyrery}{\cyre}} {\cyru}{\cyrs}{\cyrl}{\cyri}{\cyrv}{\cyri}{\cyrya} {\cyrl}{\cyro}{\cyrk}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrr}{\cyra}{\cyrz}{\cyrr}{\cyre}{\cyrsh}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri}}, journal = {Matemati\v{c}eskij sbornik}, pages = {575--584}, publisher = {mathdoc}, volume = {158}, number = {4}, year = {1981}, zbl = {0487.35003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1981__158_4_a9/} }
Ю.В. Егоров. Уравнения главного типа. Достаточные усливия локальной разрешимости. Matematičeskij sbornik, Tome 158 (1981) no. 4, pp. 575-584. http://geodesic.mathdoc.fr/item/MS_1981__158_4_a9/