%0 Journal Article %A Morgado, José %T Generalization of a result of Hoggatt and Bergum on Fibonacci numbers %J Portugaliae mathematica %D 1983 %P 441-445 %V 42 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1983__42_4_115559/ %G en %F PORMA_1983__42_4_115559