Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1995__50_3_135383, author = {J.B. Baillon and S. Guerre-Delabri\`ere}, title = {Optimal properties of contraction semigroups in {Banach} spaces.}, journal = {Semigroup forum}, pages = {247--250}, publisher = {mathdoc}, volume = {50}, number = {3}, year = {1995}, zbl = {0827.47032}, url = {http://geodesic.mathdoc.fr/item/SF_1995__50_3_135383/} }
J.B. Baillon; S. Guerre-Delabrière. Optimal properties of contraction semigroups in Banach spaces.. Semigroup forum, Tome 50 (1995) no. 3, pp. 247-250. http://geodesic.mathdoc.fr/item/SF_1995__50_3_135383/