Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_1997__5_4_a7, author = {Hor\'a\v{c}ek, Ivo and Lito\v{s}ov\'a, Jana}, title = {Matematick\'e k\v{r}{\'\i}\v{z}ovky}, journal = {U\v{c}itel matematiky}, pages = {232--235}, publisher = {mathdoc}, volume = {05}, number = {4}, year = {1997}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_1997__5_4_a7/} }
Horáček, Ivo; Litošová, Jana. Matematické křížovky. Učitel matematiky, Tome 05 (1997) no. 4, pp. 232-235. http://geodesic.mathdoc.fr/item/UM_1997__5_4_a7/