Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{MO_2006_38_3_a2, title = {Appendix. {S.~P.~Gur'ev}}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {8--11}, publisher = {mathdoc}, volume = {38}, number = {3}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2006_38_3_a2/} }
Appendix. S.~P.~Gur'ev. Matematičeskoe obrazovanie, Tome 38 (2006) no. 3, pp. 8-11. http://geodesic.mathdoc.fr/item/MO_2006_38_3_a2/