Convex Functions of a Measure and Applications F. DemengelRoger Temam Indiana University Mathematics Journal 1984 text pdf 10.1512/iumj.1984.33.33036 10.1512/iumj.1984.33.33036 en Indiana Univ. Math. J. 33 (1984) 673 - 709 state-of-the-art mathematics http://iumj.org/access/