@article{GDZPPN00244366X, title = {Preservation of ergodicity under perturbation.}, journal = {Mathematische Zeitschrift}, volume = {220}, year = {1995}, pages = {219-222}, zbl = {0820.47003}, url = {http://dml.mathdoc.fr/item/GDZPPN00244366X} }
Fleischer, I.; Joffe, A. Preservation of ergodicity under perturbation.. Mathematische Zeitschrift, Tome 220 (1995) pp. 219-222. http://gdmltest.u-ga.fr/item/GDZPPN00244366X/