%0 Journal Article
%A Zvonimir Janko
%A Tran van Trung
%T Projective planes of order 12 do not have a non-abelian group of order 6 as a collineation group.
%J Journal für die reine und angewandte Mathematik
%D 1981
%P 152-157
%V 326
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JRAM_1981__326_152375/
%F JRAM_1981__326_152375