@article{1183528642,
author = {Douglas, R. G. and Shapiro, H. S. and Shields, A. L.},
title = {On cyclic vectors of the backward shift},
journal = {Bull. Amer. Math. Soc.},
volume = {73},
number = {6},
year = {1967},
pages = { 156-159},
language = {en},
url = {http://dml.mathdoc.fr/item/1183528642}
}
Douglas, R. G.; Shapiro, H. S.; Shields, A. L. On cyclic vectors of the backward shift. Bull. Amer. Math. Soc., Tome 73 (1967) no. 6, pp. 156-159. http://gdmltest.u-ga.fr/item/1183528642/