@article{1102977867,
author = {Douglas, R. G. and Rudin, Walter},
title = {Approximation by inner functions.},
journal = {Pacific J. Math.},
volume = {31},
number = {3},
year = {1969},
pages = { 313-320},
language = {en},
url = {http://dml.mathdoc.fr/item/1102977867}
}
Douglas, R. G.; Rudin, Walter. Approximation by inner functions.. Pacific J. Math., Tome 31 (1969) no. 3, pp. 313-320. http://gdmltest.u-ga.fr/item/1102977867/