Celebratio Mathematica

I. Ka­plansky and G. W. Mackey: “A gen­er­al­iz­a­tion of Ulm’s the­or­em,” Summa Brasil. Math. 2 (1951), pp. 195–​202. MR 0049165 Zbl 0054.​01803

I. Ka­plansky: “Dual vec­tor spaces,” pp. 151–​161 in Group rep­res­ent­a­tions, er­god­ic the­ory, op­er­at­or al­geb­ras, and math­em­at­ic­al phys­ics (Berke­ley, CA, 1984). Edi­ted by C. C. Moore. Math­em­at­ic­al Sci­ences Re­search In­sti­tute Pub­lic­a­tions 6. Spring­er (New York), 1987. Pro­ceed­ings of a con­fer­ence in hon­or of George W. Mackey. MR 880375 Zbl 0617.​46008