Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1997__42_3_a3, author = {Vacek, Karel}, title = {Voda - zn\'am\'a nezn\'am\'a}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {134--143}, publisher = {mathdoc}, volume = {42}, number = {3}, year = {1997}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/PMFA_1997__42_3_a3/} }
Vacek, Karel. Voda - známá neznámá. Pokroky matematiky, fyziky a astronomie, Tome 42 (1997) no. 3, pp. 134-143. http://geodesic.mathdoc.fr/item/PMFA_1997__42_3_a3/