Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{MO_1999_a5, title = {The {Tournament} of the {Towns'} 11-th {Summer} {Conference} {Problems}}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {122--149}, publisher = {mathdoc}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_1999_a5/} }
The Tournament of the Towns' 11-th Summer Conference Problems. Matematičeskoe obrazovanie (1999), pp. 122-149. http://geodesic.mathdoc.fr/item/MO_1999_a5/