Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@misc{KYB_1989__25_1_a7, title = {Zpr\'avy}, journal = {Kybernetika}, pages = {69--70}, publisher = {mathdoc}, volume = {25}, number = {1}, year = {1989}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/KYB_1989__25_1_a7/} }
Zprávy. Kybernetika, Tome 25 (1989) no. 1, pp. 69-70. http://geodesic.mathdoc.fr/item/KYB_1989__25_1_a7/