1. The range of certain vector integrals;Blackwell, David;Proc. Amer. Math. Soc.,1951
2. How to cut a cake fairly;Dubins, L. E.;Amer. Math. Monthly,1961
3. Fundamental aspects of defect numbers, root numbers and indexes of linear operators;Gohberg, I. C.;Uspehi Mat. Nauk (N.S.),1957
4. Liapounov’s theorem on the range of a vector measure and Pontryagin’s maximum principle;Halkin, Hubert;Arch. Rational Mech. Anal.,1962
5. The range of a vector measure;Halmos, Paul R.;Bull. Amer. Math. Soc.,1948