Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@misc{10_21136_CPMF_1921_122280, title = {\'Ulohy}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky}, pages = {77--80}, publisher = {mathdoc}, volume = {50}, number = {1}, year = {1921}, doi = {10.21136/CPMF.1921.122280}, language = {cz}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1921.122280/} }
Úlohy. Časopis pro pěstování matematiky a fysiky, Tome 50 (1921) no. 1, pp. 77-80. doi : 10.21136/CPMF.1921.122280. http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1921.122280/
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