Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2018_3_a1, author = {A. M. Raigorodskii}, title = {{\CYRO}{\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyrm}{\cyrn}{\cyro}{\cyrzh}{\cyre}{\cyrs}{\cyrt}{\cyrv}{\cyra}}, journal = {Kvant}, pages = {10--13}, publisher = {mathdoc}, number = {3}, year = {2018}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2018_3_a1/} }
A. M. Raigorodskii. Остроугольные множества. Kvant, no. 3 (2018), pp. 10-13. http://geodesic.mathdoc.fr/item/KVANT_2018_3_a1/