Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1977__18_2_a0, author = {Gwinner, Joachim}, title = {Mean value theorem for convex functionals}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {213--218}, publisher = {mathdoc}, volume = {18}, number = {2}, year = {1977}, mrnumber = {0442167}, zbl = {0352.26007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1977__18_2_a0/} }
Gwinner, Joachim. Mean value theorem for convex functionals. Commentationes Mathematicae Universitatis Carolinae, Tome 18 (1977) no. 2, pp. 213-218. http://geodesic.mathdoc.fr/item/CMUC_1977__18_2_a0/