@article{10_5427_jsing_2010_1h,
     author = {Farid Tari},
     title = {Families of {Gauss} indicatrices on smooth surfaces in pseudo-spheres in the {Minkowski} 4-space},
     journal = {Journal of Singularities},
     pages = {116--133},
     publisher = {mathdoc},
     volume = {1},
     year = {2010},
     doi = {10.5427/jsing.2010.1h},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2010.1h/}
}