Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_1997__5_1_a3, author = {Calda, Emil}, title = {Z\'akon lomu aneb no\v{s}en{\'\i} vody v konvi}, journal = {U\v{c}itel matematiky}, pages = {19--21}, publisher = {mathdoc}, volume = {05}, number = {1}, year = {1997}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_1997__5_1_a3/} }
Calda, Emil. Zákon lomu aneb nošení vody v konvi. Učitel matematiky, Tome 05 (1997) no. 1, pp. 19-21. http://geodesic.mathdoc.fr/item/UM_1997__5_1_a3/