@article{1206134893,
author = {Uda, Hirohumi},
title = {Incomparability in ring extensions},
journal = {Hiroshima Math. J.},
volume = {9},
number = {3},
year = {1979},
pages = { 451-463},
language = {en},
url = {http://dml.mathdoc.fr/item/1206134893}
}
Uda, Hirohumi. Incomparability in ring extensions. Hiroshima Math. J., Tome 9 (1979) no. 3, pp. 451-463. http://gdmltest.u-ga.fr/item/1206134893/