@article{02171967,
title = {Conservation of the integrality of certain quotients by iterated substitutions of Lucas numbers.},
journal = {S\'eminaire Lotharingien de Combinatoire [electronic only]},
volume = {31},
year = {1993},
zbl = {1060.05502},
language = {en},
url = {http://dml.mathdoc.fr/item/02171967}
}
Picon, Pierre-André. Conservation of the integrality of certain quotients by iterated substitutions of Lucas numbers.. Séminaire Lotharingien de Combinatoire [electronic only], Tome 31 (1993) . http://gdmltest.u-ga.fr/item/02171967/