1. R. T. Rockafellar, “Integrals which are convex functionals”, Pacific J. Math. 24 (1968), 525–539.
2. R. T. Rockafellar, “Integrals which are convex functionals, II,” Pacific J. Math. 39 (1971), 439–469.
3. C. Castaing, “Sur les multi-applications mesurables”, thèse, Caën, 1967. This has partly been published in Rev. Franc. Info. Rech. Operationelle 1 (1967), 3–34.
4. K. Kuratowski and C. Ryll-Nardzewski, “A general theorem on selectors,” Bull. Polish Acad. Sci. 13 (1965), 397–411.
5. V. A. Rokhlin, “Selected topics from the metric theory of dynamical systems”, Uspekhi Mat. Nauk 4 (1949), 57–128. See also Amer. Math. Soc. Translations 49 (1966), 171–240.