%0 Journal Article %A O. A. Ziza %T On Weyl factors for the summability almost everywhere of orthogonal series by $(\varphi,\lambda)$-methods %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1983 %P 139-141 %V 38 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1983_38_6_a18/ %G en %F RM_1983_38_6_a18