@article{RM_2017_72_3_a7,
     author = {N. G. Pavlova and A. O. Remizov},
     title = {A complete classification of generic singularities of geodesic flows on 2-surfaces with {pseudo-Riemannian} metrics},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {577--579},
     publisher = {mathdoc},
     volume = {72},
     number = {3},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2017_72_3_a7/}
}