%0 Journal Article %A Hafner, James L. %A McCurley, Kevin S. %T A rigorous subexponential algorithm for computation of class groups %J Journal of the American Mathematical Society %D 1989 %P 837-850 %V 02 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1989-1002631-0/ %R 10.1090/S0894-0347-1989-1002631-0 %F 10_1090_S0894_0347_1989_1002631_0