JAKER, A. S.; CHAKRABORTY-SK, N. On Strongly Pettis Integrable Functions in Locally Convex Spaces. Revista Matemática Complutense, v. 6, n. 2, p. 241, 1 ene.1993 https://doi.org/10.5209/rev_REMA.1993.v6.n2.17818.