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@article{MS_1987__172_2_a4, author = {{\CYRA}. {\CYRH}{\cyra}{\cyrishrt}{\cyrd}{\cyra}{\cyrr}{\cyro}{\cyrv}}, title = {{\CYRK}{\cyra}{\cyrr}{\cyrl}{\cyre}{\cyrm}{\cyra}{\cyrn}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyri} {\cyri} {\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyrd}{\cyrl}{\cyrya} {\cyrg}{\cyri}{\cyrp}{\cyre}{\cyrr}{\cyrb}{\cyro}{\cyrl}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrv}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {265--274}, publisher = {mathdoc}, volume = {172}, number = {2}, year = {1987}, zbl = {0656.35146}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1987__172_2_a4/} }
А. Хайдаров. Карлемановские оценки и обратные задачи для гиперболических уравнений второго порядка. Matematičeskij sbornik, Tome 172 (1987) no. 2, pp. 265-274. http://geodesic.mathdoc.fr/item/MS_1987__172_2_a4/