1. Isomorphic refinements of decompositions of a primary group into closed groups;Enochs, Edgar;Bull. Soc. Math. France,1963
2. International Series of Monographs on Pure and Applied Mathematics;Fuchs, L.,1960
3. Certain pure subgroups of primary groups;Hill, Paul,1963
4. Pure subgroups having prescribed socles;Hill, Paul;Bull. Amer. Math. Soc.,1965
5. A classification of direct sums of closed groups;Hill, P.;Acta Math. Acad. Sci. Hungar.,1966