%0 Journal Article %A Irwin, John M. %A O'Neill, John D. %T On Direct Products of Abelian Groups %J Canadian journal of mathematics %D 1970 %P 525-544 %V 22 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-061-5/ %R 10.4153/CJM-1970-061-5 %F 10_4153_CJM_1970_061_5