%0 Journal Article %A Ed. Dubinsky %T Equivalent nuclear systems %J Studia Mathematica %D 1970 %P 373-379 %V 38 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-38-1-373-379/ %R 10.4064/sm-38-1-373-379 %G en %F 10_4064_sm_38_1_373_379