@article{PORMA_1988__45_2_115621,
     author = {Shannon, A.G.},
     title = {Fibonacci numbers and {Diophantine} quadruples: generalizations of results of {Morgado} and {Horadam}},
     journal = {Portugaliae mathematica},
     pages = {165--169},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {1988},
     mrnumber = {0952535},
     zbl = {0649.10007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1988__45_2_115621/}
}