@article{1181072358,
author = {Welker, Volkmar},
title = {Combinatorial Properties of Intervals in Finite Solvable Groups},
journal = {Rocky Mountain J. Math.},
volume = {24},
number = {4},
year = {1994},
pages = { 1567-1590},
language = {en},
url = {http://dml.mathdoc.fr/item/1181072358}
}
Welker, Volkmar. Combinatorial Properties of Intervals in Finite Solvable Groups. Rocky Mountain J. Math., Tome 24 (1994) no. 4, pp. 1567-1590. http://gdmltest.u-ga.fr/item/1181072358/