@article{KJM_2010_34_1_a1,
     author = {Bernard Rouxel},
     title = {Some geometrical properties of marginally trapped surfaces in {Minkowski} space $M^4$},
     journal = {Kragujevac Journal of Mathematics},
     pages = {25 - 30},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {2010},
     url = {http://geodesic.mathdoc.fr/item/KJM_2010_34_1_a1/}
}