Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_1999__7_4_a1, author = {Vesel\'y, Ji\v{r}{\'\i}}, title = {O n\'asoben{\'\i} \v{r}ad (2)}, journal = {U\v{c}itel matematiky}, pages = {201--206}, publisher = {mathdoc}, volume = {07}, number = {4}, year = {1999}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_1999__7_4_a1/} }
Veselý, Jiří. O násobení řad (2). Učitel matematiky, Tome 07 (1999) no. 4, pp. 201-206. http://geodesic.mathdoc.fr/item/UM_1999__7_4_a1/