Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MP_2008_a25, author = {K. \`E. Kaibkhanov}, title = {{\CYRS}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrk}{\cyro} {\cyrs}{\cyrt}{\cyru}{\cyrp}{\cyre}{\cyrn}{\cyre}{\cyrk} {\cyrn}{\cyra} {\cyrerev}{\cyrs}{\cyrk}{\cyra}{\cyrl}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyre}?}, journal = {Matematicheskoe Prosveshchenie}, pages = {232--234}, publisher = {mathdoc}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MP_2008_a25/} }
K. È. Kaibkhanov. Сколько ступенек на эскалаторе?. Matematicheskoe Prosveshchenie, Matematicheskoe Prosveshchenie (2008), pp. 232-234. http://geodesic.mathdoc.fr/item/MP_2008_a25/