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@article{MS_1967__115_1_a5, author = {{\CYRA}.{\CYRI}. {\CYRA}{\cyrch}{\cyri}{\cyrl}{\cyrsftsn}{\cyrd}{\cyri}{\cyre}{\cyrv} and {\CYRZ}.{\CYRD}. {\CYRU}{\cyrs}{\cyrm}{\cyra}{\cyrn}{\cyro}{\cyrv}}, title = {{\CYRO} {\cyrzh}{\cyre}{\cyrs}{\cyrt}{\cyrk}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrs} {\cyrt}{\cyro}{\cyrch}{\cyrk}{\cyro}{\cyrishrt} {\cyru}{\cyrp}{\cyrl}{\cyro}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrya}}, journal = {Matemati\v{c}eskij sbornik}, pages = {89--96}, publisher = {mathdoc}, volume = {115}, number = {1}, year = {1967}, zbl = {0159.23001}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1967__115_1_a5/} }
А.И. Ачильдиев; З.Д. Усманов. О жесткости поверхности с точкой уплощения. Matematičeskij sbornik, Tome 115 (1967) no. 1, pp. 89-96. http://geodesic.mathdoc.fr/item/MS_1967__115_1_a5/