@article{1250130481,
author = {Silverman, H.},
title = {Linear combinations of convex mappings},
journal = {Rocky Mountain J. Math.},
volume = {5},
number = {4},
year = {1975},
pages = { 629-632},
language = {en},
url = {http://dml.mathdoc.fr/item/1250130481}
}
Silverman, H. Linear combinations of convex mappings. Rocky Mountain J. Math., Tome 5 (1975) no. 4, pp. 629-632. http://gdmltest.u-ga.fr/item/1250130481/