Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MO_2008_48_4_a4, author = {H. Poincar\'e}, title = {Mathematical {Definitions} and {Teaching}}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {50--59}, publisher = {mathdoc}, volume = {48}, number = {4}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2008_48_4_a4/} }
H. Poincaré. Mathematical Definitions and Teaching. Matematičeskoe obrazovanie, Tome 48 (2008) no. 4, pp. 50-59. http://geodesic.mathdoc.fr/item/MO_2008_48_4_a4/