%0 Journal Article %A V. A. Belonogov %T On irreducible characters of the group $S_n$ that are semiproportional on $A_n$ or $S_n\setminus A_n$.~IV. %J Trudy Instituta matematiki i mehaniki %D 2009 %P 12-33 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2009_15_2_a1/ %G ru %F TIMM_2009_15_2_a1