Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@misc{10_21136_CPM_1957_117280, title = {\'Ulohy a probl\'emy}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {454--457}, publisher = {mathdoc}, volume = {082}, number = {4}, year = {1957}, doi = {10.21136/CPM.1957.117280}, language = {cs}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1957.117280/} }
Úlohy a problémy. Časopis pro pěstování matematiky, Tome 082 (1957) no. 4, pp. 454-457. doi : 10.21136/CPM.1957.117280. http://geodesic.mathdoc.fr/articles/10.21136/CPM.1957.117280/
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