Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{UM_2014__22_2_a4, author = {Calda, Emil}, title = {Pravo\'uhl\'y troj\'uheln{\'\i}k trochu jinak}, journal = {U\v{c}itel matematiky}, pages = {119--120}, publisher = {mathdoc}, volume = {22}, number = {2}, year = {2014}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/UM_2014__22_2_a4/} }
Calda, Emil. Pravoúhlý trojúhelník trochu jinak. Učitel matematiky, Tome 22 (2014) no. 2, pp. 119-120. http://geodesic.mathdoc.fr/item/UM_2014__22_2_a4/