Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_2013_43_1a_1, author = {Roman Witu{\l}a}, title = {$\delta${-Fibonacci} numbers, part {II}}, journal = {Novi Sad Journal of Mathematics}, pages = {9-22}, publisher = {mathdoc}, volume = {43}, number = {1}, year = {2013}, url = {http://geodesic.mathdoc.fr/item/NSJOM_2013_43_1a_1/} }
Roman Witu{\l}a. $\delta$-Fibonacci numbers, part II. Novi Sad Journal of Mathematics, Tome 43 (2013) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_2013_43_1a_1/