@article{01171006,
title = {Crooked functions, bent functions, and distance regular graphs.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {5},
year = {1998},
zbl = {0903.05053},
language = {en},
url = {http://dml.mathdoc.fr/item/01171006}
}
Bending, T.D.; Fon-Der-Flaass, D. Crooked functions, bent functions, and distance regular graphs.. The Electronic Journal of Combinatorics [electronic only], Tome 5 (1998) . http://gdmltest.u-ga.fr/item/01171006/