@article{1029000849, author = {Shapiro, Harold S.}, title = {Bounded functions with one-sided spectral gaps.}, journal = {Michigan Math. J.}, volume = {19}, number = {1}, year = {1972}, pages = { 167-172}, language = {en}, url = {http://dml.mathdoc.fr/item/1029000849} }
Shapiro, Harold S. Bounded functions with one-sided spectral gaps.. Michigan Math. J., Tome 19 (1972) no. 1, pp. 167-172. http://gdmltest.u-ga.fr/item/1029000849/