%0 Journal Article %A Shannon, A.G. %T Fibonacci numbers and Diophantine quadruples: generalizations of results of Morgado and Horadam %J Portugaliae mathematica %D 1988 %P 165-169 %V 45 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1988__45_2_115621/ %G en %F PORMA_1988__45_2_115621