Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_2000__36_1_a7, author = {Mikulski, W{\l}odzimierz M.}, title = {The natural transformations $TT^{(r)}\to TT^{(r)}$}, journal = {Archivum mathematicum}, pages = {71--75}, publisher = {mathdoc}, volume = {36}, number = {1}, year = {2000}, mrnumber = {1751615}, zbl = {1049.58009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_2000__36_1_a7/} }
Mikulski, Włodzimierz M. The natural transformations $TT^{(r)}\to TT^{(r)}$. Archivum mathematicum, Tome 36 (2000) no. 1, pp. 71-75. http://geodesic.mathdoc.fr/item/ARM_2000__36_1_a7/