ON THE CANONICAL REDUCTANTS OF SPACES OF CONSTANT CURVATURE ArticleSabinin L.V., Yantranova S.S.Webs and quasigroups (Russian). 1984. P.. 76-83
ON THE TOPOLOGICAL PROPERTIES OF CONTINUOUS LOOPS IMBEDDED IN GROUPS OF HOMEOMORPHISMS OF THEIR SUPPORTS ArticleBulgakov D.N.Webs and quasigroups (Russian). 1984. P.. 29-32