By using a generalized theorem of Lebesgue-Nikodym, we show that under suitable restrictions the bilinear integrals of a multifunction and the corresponding extreme point multifunction are equal. Examples are given showing that the hypotheses of the main theorems cannot be weakened.
"BILINEAR INTEGRATION OF AN EXTREME POINT MULTIFUNCTION." Real Anal. Exchange 11 (1) 134 - 158, 1985/1986. https://doi.org/10.2307/44151735