@article{JMAG_2012_8_1_a4,
     author = {Shichang Shu and Annie Yi Han},
     title = {Characterization of hyperbolic cylinders in a {Lorentzian} space form},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {79--89},
     year = {2012},
     volume = {8},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JMAG_2012_8_1_a4/}
}