Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2019_2_a16, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyro} {\cyrf}{\cyro}{\cyrk}{\cyru}{\cyrs}{\cyrn}{\cyri}{\cyrk}{\cyra}{\cyrh} {\cyri} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {{\CYRH}{\cyro}{\cyrl}{\cyrl}{\cyra}} {\cyri} {{\CYRSH}{\cyrp}{\cyre}{\cyrr}{\cyrn}{\cyre}{\cyrr}{\cyra}}}, journal = {Kvant}, pages = {61--62}, publisher = {mathdoc}, number = {2}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2019_2_a16/} }
Задачи о фокусниках и теоремы Холла и Шпернера. Kvant, no. 2 (2019), pp. 61-62. http://geodesic.mathdoc.fr/item/KVANT_2019_2_a16/