@article{1102991613, author = {Williams, James P.}, title = {Schwarz norms for operators.}, journal = {Pacific J. Math.}, volume = {27}, number = {3}, year = {1968}, pages = { 181-188}, language = {en}, url = {http://dml.mathdoc.fr/item/1102991613} }
Williams, James P. Schwarz norms for operators.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 181-188. http://gdmltest.u-ga.fr/item/1102991613/