%0 Journal Article %A G. Shopf %T The dependence of the hypersurfaces of associated types for systems of associated orders on the choice of the associated orders %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1974 %P 35-46 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1974_12_a4/ %G ru %F IVM_1974_12_a4