Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_1998__6_3_a0, author = {Ku\v{r}ina, Franti\v{s}ek}, title = {Matematika v obrazech (3)}, journal = {U\v{c}itel matematiky}, pages = {129--136}, publisher = {mathdoc}, volume = {06}, number = {3}, year = {1998}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_1998__6_3_a0/} }
Kuřina, František. Matematika v obrazech (3). Učitel matematiky, Tome 06 (1998) no. 3, pp. 129-136. http://geodesic.mathdoc.fr/item/UM_1998__6_3_a0/