@article{1195520357,
author = {Gellar, R. and Wallen, L. J.},
title = {Subnormal weighted shifts and the Halmos-Bram criterion},
journal = {Proc. Japan Acad.},
volume = {46},
number = {10},
year = {1970},
pages = { 375-378},
language = {en},
url = {http://dml.mathdoc.fr/item/1195520357}
}
Gellar, R.; Wallen, L. J. Subnormal weighted shifts and the Halmos-Bram criterion. Proc. Japan Acad., Tome 46 (1970) no. 10, pp. 375-378. http://gdmltest.u-ga.fr/item/1195520357/