Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@misc{KYB_1987__23_4_a7, title = {Zpr\'avy}, journal = {Kybernetika}, pages = {342--343}, publisher = {mathdoc}, volume = {23}, number = {4}, year = {1987}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/KYB_1987__23_4_a7/} }
Zprávy. Kybernetika, Tome 23 (1987) no. 4, pp. 342-343. http://geodesic.mathdoc.fr/item/KYB_1987__23_4_a7/