@article{00721221,
title = {Two extremal problems in graph theory.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {1},
year = {1994},
zbl = {0810.05041},
language = {en},
url = {http://dml.mathdoc.fr/item/00721221}
}
Brualdi, Richard A.; Mellendorf, Stephen. Two extremal problems in graph theory.. The Electronic Journal of Combinatorics [electronic only], Tome 1 (1994) . http://gdmltest.u-ga.fr/item/00721221/