Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2005_2_a4, author = {I. Gorbatyy}, title = {{\CYRZ}{\cyra}{\cyrv}{\cyri}{\cyrs}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyra} {\cyrk}{\cyro}{\cyrl}{\cyre}{\cyrb}{\cyra}{\cyrn}{\cyri}{\cyrishrt} {\cyrm}{\cyra}{\cyrya}{\cyrt}{\cyrn}{\cyri}{\cyrk}{\cyra} {\cyro}{\cyrt} {\cyra}{\cyrm}{\cyrp}{\cyrl}{\cyri}{\cyrt}{\cyru}{\cyrd}{\cyrery}}, journal = {Kvant}, pages = {27--29}, publisher = {mathdoc}, number = {2}, year = {2005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2005_2_a4/} }
I. Gorbatyy. Зависимость периода колебаний маятника от амплитуды. Kvant, no. 2 (2005), pp. 27-29. http://geodesic.mathdoc.fr/item/KVANT_2005_2_a4/