@article{1102905843,
author = {Johnson, B. E. and Williams, J. P.},
title = {The range of a normal derivation.},
journal = {Pacific J. Math.},
volume = {61},
number = {2},
year = {1975},
pages = { 105-122},
language = {en},
url = {http://dml.mathdoc.fr/item/1102905843}
}
Johnson, B. E.; Williams, J. P. The range of a normal derivation.. Pacific J. Math., Tome 61 (1975) no. 2, pp. 105-122. http://gdmltest.u-ga.fr/item/1102905843/