@article{1102736273,
author = {Trent, Tavan T.},
title = {New conditions for subnormality.},
journal = {Pacific J. Math.},
volume = {97},
number = {2},
year = {1981},
pages = { 459-464},
language = {en},
url = {http://dml.mathdoc.fr/item/1102736273}
}
Trent, Tavan T. New conditions for subnormality.. Pacific J. Math., Tome 97 (1981) no. 2, pp. 459-464. http://gdmltest.u-ga.fr/item/1102736273/