@article{1183528954, author = {Moore, R. T.}, title = {Duality methods and perturbation of semigroups}, journal = {Bull. Amer. Math. Soc.}, volume = {73}, number = {6}, year = {1967}, pages = { 548-553}, language = {en}, url = {http://dml.mathdoc.fr/item/1183528954} }
Moore, R. T. Duality methods and perturbation of semigroups. Bull. Amer. Math. Soc., Tome 73 (1967) no. 6, pp. 548-553. http://gdmltest.u-ga.fr/item/1183528954/