Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2019_4_a7, author = {G. B. Filippovskii}, title = {{\CYRK}{\cyro}{\cyrg}{\cyrd}{\cyra} {\cyro}{\cyrd}{\cyri}{\cyrn} {\cyro}{\cyrt}{\cyrr}{\cyre}{\cyrz}{\cyro}{\cyrk} {\cyrr}{\cyra}{\cyrv}{\cyre}{\cyrn} {\cyrs}{\cyru}{\cyrm}{\cyrm}{\cyre} {\cyrd}{\cyrv}{\cyru}{\cyrh} {\cyrd}{\cyrr}{\cyru}{\cyrg}{\cyri}{\cyrh}}, journal = {Kvant}, pages = {32--33}, publisher = {mathdoc}, number = {4}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2019_4_a7/} }
G. B. Filippovskii. Когда один отрезок равен сумме двух других. Kvant, no. 4 (2019), pp. 32-33. http://geodesic.mathdoc.fr/item/KVANT_2019_4_a7/