TY - JOUR AU - Morgado, José TI - Note on a Shannon's theorem concerning the Fibonacci numbers and Diophantine quadruples JO - Portugaliae mathematica PY - 1991 SP - 429 EP - 439 VL - 48 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1991__48_4_115768/ LA - en ID - PORMA_1991__48_4_115768 ER -