%0 Journal Article %A Masaki Izumi %T On the type III principal graphs of subfactors. %J Mathematica Scandinavica %D 1993 %P 307-319 %V 73 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1993__73_2_167274/ %F MS2_1993__73_2_167274