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@article{MS_1985__165_1_a4, author = {{\CYRE}.{\CYRP}. {\CYRG}{\cyro}{\cyrl}{\cyru}{\cyrb}{\cyre}{\cyrv}{\cyra}}, title = {{\CYRO} {\cyrd}{\cyrl}{\cyri}{\cyrn}{\cyre} {\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyra} {\cyrk}{\cyrv}{\cyra}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyrn}{\cyro}{\cyrishrt} {\cyri}{\cyrr}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri}}, journal = {Matemati\v{c}eskij sbornik}, pages = {120--129}, publisher = {mathdoc}, volume = {165}, number = {1}, year = {1985}, zbl = {0574.10014}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1985__165_1_a4/} }
Е.П. Голубева. О длине периода квадратичной иррациональности. Matematičeskij sbornik, Tome 165 (1985) no. 1, pp. 120-129. http://geodesic.mathdoc.fr/item/MS_1985__165_1_a4/