@article{SIGMA_2010_6_a20,
     author = {Wafaa Batat and Salima Rahmani},
     title = {On the {Existence} of {a~Codimension~1} {Completely} {Integrable} {Totally} {Geodesic} {Distribution} on {a~Pseudo-Riemannian} {Heisenberg} {Group}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2010},
     volume = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2010_6_a20/}
}