Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1978__23_2_a4, author = {Hejn\'y, V{\'\i}t and Hejn\'y, Milan}, title = {Pre\v{c}o je matematika tak\'a \v{t}a\v{z}k\'a?}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {85--93}, publisher = {mathdoc}, volume = {23}, number = {2}, year = {1978}, language = {sl}, url = {http://geodesic.mathdoc.fr/item/PMFA_1978__23_2_a4/} }
Hejný, Vít; Hejný, Milan. Prečo je matematika taká ťažká?. Pokroky matematiky, fyziky a astronomie, Tome 23 (1978) no. 2, pp. 85-93. http://geodesic.mathdoc.fr/item/PMFA_1978__23_2_a4/