@article{2700,
author = {Schutte, H.J. and Wessels, S.F.G.},
title = {Contributions to the theory of (1,1) rings},
journal = {Portugaliae mathematica},
volume = {32},
year = {1973},
pages = {59-69},
zbl = {0255.17001},
mrnumber = {0323841},
language = {en},
url = {http://dml.mathdoc.fr/item/2700}
}
Schutte, H.J.; Wessels, S.F.G. Contributions to the theory of (1,1) rings. Portugaliae mathematica, Tome 32 (1973) pp. 59-69. http://gdmltest.u-ga.fr/item/2700/