Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1989__30_2_a4, author = {Doktor, Pavel}, title = {Smooth functions and zero traces}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {243--247}, publisher = {mathdoc}, volume = {30}, number = {2}, year = {1989}, mrnumber = {1014124}, zbl = {0673.41014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1989__30_2_a4/} }
Doktor, Pavel. Smooth functions and zero traces. Commentationes Mathematicae Universitatis Carolinae, Tome 30 (1989) no. 2, pp. 243-247. http://geodesic.mathdoc.fr/item/CMUC_1989__30_2_a4/