@article{article1fb0e358,
title   = {On a conjecture about the Gauss map of complete spacelike surfaces with constant mean curvature in the Lorentz-Minkowski space},
author = {Chaves, Rosa Maria dos Santos Barreiro and Cândido, Cláudia Cueva},
year = {2004},
journal   = {Beitrage zur Algebra and Geometry}
}