%0 Journal Article %A Isaacs, I M. %T Induction and Restriction of π-Special Characters %J Canadian journal of mathematics %D 1986 %P 576-604 %V 38 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-029-5/ %R 10.4153/CJM-1986-029-5 %F 10_4153_CJM_1986_029_5