Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_1998__6_3_a10, author = {Charv\'at, Jura}, title = {D\v{r}{\'\i}ve $P$, dnes $K$?}, journal = {U\v{c}itel matematiky}, pages = {187--190}, publisher = {mathdoc}, volume = {06}, number = {3}, year = {1998}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_1998__6_3_a10/} }
Charvát, Jura. Dříve $P$, dnes $K$?. Učitel matematiky, Tome 06 (1998) no. 3, pp. 187-190. http://geodesic.mathdoc.fr/item/UM_1998__6_3_a10/