Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@misc{10_21136_CPM_1967_108399, title = {\'Ulohy a probl\'emy}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {356--359}, publisher = {mathdoc}, volume = {092}, number = {3}, year = {1967}, doi = {10.21136/CPM.1967.108399}, language = {cs}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1967.108399/} }
Úlohy a problémy. Časopis pro pěstování matematiky, Tome 092 (1967) no. 3, pp. 356-359. doi : 10.21136/CPM.1967.108399. http://geodesic.mathdoc.fr/articles/10.21136/CPM.1967.108399/
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