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@article{PORMA_1987__44_2_115575, author = {Horadam, A.F.}, title = {Generalization of a result of {Morgado}}, journal = {Portugaliae mathematica}, pages = {131--136}, publisher = {mathdoc}, volume = {44}, number = {2}, year = {1987}, mrnumber = {0911436}, zbl = {0631.10005}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1987__44_2_115575/} }
Horadam, A.F. Generalization of a result of Morgado. Portugaliae mathematica, Tome 44 (1987) no. 2, pp. 131-136. http://geodesic.mathdoc.fr/item/PORMA_1987__44_2_115575/