@article{1256051005,
author = {Walker, Carol L.},
title = {Local quasi-isomorphisms of torsion free abelian groups},
journal = {Illinois J. Math.},
volume = {18},
number = {4},
year = {1974},
pages = { 537-551},
language = {en},
url = {http://dml.mathdoc.fr/item/1256051005}
}
Walker, Carol L. Local quasi-isomorphisms of torsion free abelian groups. Illinois J. Math., Tome 18 (1974) no. 4, pp. 537-551. http://gdmltest.u-ga.fr/item/1256051005/