@article{01604423,
title = {Posner's second theorem and an annihilator condition.},
journal = {Mathematica Pannonica},
volume = {12},
year = {2001},
pages = {69-81},
zbl = {0973.16019},
language = {en},
url = {http://dml.mathdoc.fr/item/01604423}
}
De Filippis, V.; Di Vincenzo, O.M. Posner's second theorem and an annihilator condition.. Mathematica Pannonica, Tome 12 (2001) pp. 69-81. http://gdmltest.u-ga.fr/item/01604423/