%0 Journal Article %A Graham Ellis %A Irina Kholodna %T Computing second cohomology of finite groups with trivial coefficients %J Homology, homotopy, and applications %D 1999 %P 163-168 %V 1 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4310/HHA.1999.v1.n1.a7/ %R 10.4310/HHA.1999.v1.n1.a7 %G en %F HHA_1999_1_1_a7