On the solution of some simple fractional differential equations. Campos, L.M.B.C. — 1990 International Journal of Mathematics and Mathematical Sciences
On generalizations of the series of Taylor, Lagrange, Laurent and Teixeira. Campos, L.M.B.C. — 1990 International Journal of Mathematics and Mathematical Sciences
On anisotropic, dispersive and dissipative wave equations Campos, L.M.B.C. — 1982 Portugaliae mathematica
On rules of derivation with complex order for analytic and branched functions Campos, L.M.B.C. Portugaliae mathematica