@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/