@article{1103905265, author = {Batty, C. J. K.}, title = {Small perturbations of $C^*$-dynamical systems}, journal = {Comm. Math. Phys.}, volume = {64}, number = {3}, year = {1979}, pages = { 39-43}, language = {en}, url = {http://dml.mathdoc.fr/item/1103905265} }
Batty, C. J. K. Small perturbations of $C^*$-dynamical systems. Comm. Math. Phys., Tome 64 (1979) no. 3, pp. 39-43. http://gdmltest.u-ga.fr/item/1103905265/