%0 Journal Article %A Sands, A. D. %A Stewart, P. N. %T General Heredity and Strength for Radical Classes %J Canadian journal of mathematics %D 1988 %P 1410-1421 %V 40 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-064-5/ %R 10.4153/CJM-1988-064-5 %F 10_4153_CJM_1988_064_5