Topological Types of p-Hyperelliptic Real Algebraic Curves. E. Bujalance; J.J. Etayo; J.M. Gamboa — 1987 Mathematische Zeitschrift
An Algorithm To Compute Odd Orders and Ramification Indices of Cyclic Actions on Compact Surfaces. E. Bujalance; J.M. Gamboa; A.F. Costa; J. Lafuente — 1994 Discrete & computational geometry
Period matrices of Accola-MacLachlan and Kulkarni surfaces. Bujalance, E.; Costa, A.F.; Gamboa, J.M.; Riera, G. — 2000 Annales Academiae Scientiarum Fennicae. Mathematica