@article{1077380579, author = {Ifantis, Evangelos K.}, title = {Perturbation of non-normal isometries}, journal = {Duke Math. J.}, volume = {39}, number = {1}, year = {1972}, pages = { 735-736}, language = {en}, url = {http://dml.mathdoc.fr/item/1077380579} }
Ifantis, Evangelos K. Perturbation of non-normal isometries. Duke Math. J., Tome 39 (1972) no. 1, pp. 735-736. http://gdmltest.u-ga.fr/item/1077380579/