Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@misc{10_21136_CPM_1987_108552, title = {Dal\v{s}{\'\i} zpr\'avy}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {425--426}, publisher = {mathdoc}, volume = {112}, number = {4}, year = {1987}, doi = {10.21136/CPM.1987.108552}, language = {cs}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1987.108552/} }
Další zprávy. Časopis pro pěstování matematiky, Tome 112 (1987) no. 4, pp. 425-426. doi : 10.21136/CPM.1987.108552. http://geodesic.mathdoc.fr/articles/10.21136/CPM.1987.108552/
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