Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_1997__5_3_a7, author = {Ku\v{r}ina, Franti\v{s}ek}, title = {Z rusk\'ych u\v{c}ebnic}, journal = {U\v{c}itel matematiky}, pages = {166--167}, publisher = {mathdoc}, volume = {05}, number = {3}, year = {1997}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_1997__5_3_a7/} }
Kuřina, František. Z ruských učebnic. Učitel matematiky, Tome 05 (1997) no. 3, pp. 166-167. http://geodesic.mathdoc.fr/item/UM_1997__5_3_a7/