Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1984__29_2_a6, author = {\v{S}ediv\'y, Jaroslav}, title = {Institut pro didaktiku matematiky v {Bielefeldu}}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {112--115}, publisher = {mathdoc}, volume = {29}, number = {2}, year = {1984}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/PMFA_1984__29_2_a6/} }
Šedivý, Jaroslav. Institut pro didaktiku matematiky v Bielefeldu. Pokroky matematiky, fyziky a astronomie, Tome 29 (1984) no. 2, pp. 112-115. http://geodesic.mathdoc.fr/item/PMFA_1984__29_2_a6/