Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2017_2_a16, author = {K. A. Knop}, title = {{\CYRZ}{\cyra}{\cyrg}{\cyra}{\cyrd}{\cyrk}{\cyra} {\cyrc}{\cyre}{\cyrl}{\cyrery}{\cyrh} {\cyru}{\cyrg}{\cyrl}{\cyro}{\cyrv}}, journal = {Kvant}, pages = {45--50}, publisher = {mathdoc}, number = {2}, year = {2017}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2017_2_a16/} }
K. A. Knop. Загадка целых углов. Kvant, no. 2 (2017), pp. 45-50. http://geodesic.mathdoc.fr/item/KVANT_2017_2_a16/