@article{1077375780,
author = {Leavitt, W. G.},
title = {The module type of homomorphic images},
journal = {Duke Math. J.},
volume = {32},
number = {1},
year = {1965},
pages = { 305-311},
language = {en},
url = {http://dml.mathdoc.fr/item/1077375780}
}
Leavitt, W. G. The module type of homomorphic images. Duke Math. J., Tome 32 (1965) no. 1, pp. 305-311. http://gdmltest.u-ga.fr/item/1077375780/