%0 Journal Article %A M. S. Sgibnev %T On the distribution of the supremumof a random walk when the characteristic equation has roots %J Teoriâ veroâtnostej i ee primeneniâ %D 1998 %P 383-390 %V 43 %N 2 %U http://geodesic.mathdoc.fr/item/TVP_1998_43_2_a13/ %G ru %F TVP_1998_43_2_a13