Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2009_1_a32, title = {{\CYRK}{\cyro}{\cyrg}{\cyrd}{\cyra} {\cyrd}{\cyri}{\cyra}{\cyrg}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyrsftsn} {\cyrp}{\cyrya}{\cyrt}{\cyri}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyra} {\cyrp}{\cyra}{\cyrr}{\cyra}{\cyrl}{\cyrl}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyra} {\cyrs}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrn}{\cyre}?}, journal = {Kvant}, pages = {55}, publisher = {mathdoc}, number = {1}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_1_a32/} }
Когда диагональ пятиугольника параллельна стороне?. Kvant, no. 1 (2009). http://geodesic.mathdoc.fr/item/KVANT_2009_1_a32/