%0 Journal Article
%A B. Fuglede
%T On the Relation PQ -QP = -iI.
%J Mathematica Scandinavica
%D 1967
%P 79-88
%V 20
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1967__20_165982/
%F MS2_1967__20_165982