%0 Journal Article %A J. V. Hion %T $\Omega$-ringoids, $\Omega$-rings and their representations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1964 %V 19 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1964_19_5_a20/ %G ru %F RM_1964_19_5_a20