@article{1250128118,
author = {Mathsen, R.M.},
title = {Hereditary $\lambda(n,k)$-families and generalized convexity of functions},
journal = {Rocky Mountain J. Math.},
volume = {12},
number = {4},
year = {1982},
pages = { 753-766},
language = {en},
url = {http://dml.mathdoc.fr/item/1250128118}
}
Mathsen, R.M. Hereditary $\lambda(n,k)$-families and generalized convexity of functions. Rocky Mountain J. Math., Tome 12 (1982) no. 4, pp. 753-766. http://gdmltest.u-ga.fr/item/1250128118/