Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1990_20_2a_12, author = {Fisher Brian}, title = {On power of heaviside's function}, journal = {Novi Sad Journal of Mathematics}, pages = {109-112}, publisher = {mathdoc}, volume = {20}, number = {2}, year = {1990}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1990_20_2a_12/} }
Fisher Brian. On power of heaviside's function. Novi Sad Journal of Mathematics, Tome 20 (1990) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_1990_20_2a_12/