Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2009_3_a8, author = {A. Spivak}, title = {{\CYRF}{\cyro}{\cyrr}{\cyrm}{\cyru}{\cyrl}{\cyra} {\cyrk}{\cyrr}{\cyryu}{\cyrk}{\cyro}{\cyrv}}, journal = {Kvant}, pages = {44--47}, publisher = {mathdoc}, number = {3}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_3_a8/} }
A. Spivak. Формула крюков. Kvant, no. 3 (2009), pp. 44-47. http://geodesic.mathdoc.fr/item/KVANT_2009_3_a8/