00346nam a2200121Ia 4500082001700000100002400017245003600041260006000077300001000137490006700147500000500214700000500219  a512bB456.GA  aBenabdallah, Khalid  aGroupes abeliens sans torsionb  aMontrealbLes Presses de L'Universite de Montrealc1981  a180p.  aUniv.of Montreal,seminaire de mathematiques superieuresv v.74  a  a