arXiv 2018-01-30 EN A brief survey on singularities of geodesic flows in smooth signature changing metrics on 2-surfaces Pavlova, N. G. · Remizov, A. O.
arXiv 2015-05-25 EN Singularities of the geodesic flow on surfaces with pseudo-Riemannian metrics Remizov, A. O. · Tari, F.
