@article{article2971ca3e,
title   = {New characterizations for hyperbolic cylinders in anti-de Sitter spaces},
author = {Chaves, Rosa Maria dos Santos Barreiro and Souza Junior, L. A. M and Valério, Barbara Corominas},
year = {2012},
doi = {10.1016/j.jmaa.2012.03.043},
journal   = {Journal of Mathematical Analysis and Applications}
}