2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60374Two-dimensional case in the theory of dynamical systems admitting the normal shift differs crucially from multidimensional case. Features of two-dimensional case are gathered and studied in this thesis.Thesis for the degree of Candidate of Sciences in RussiaDifferential GeometryMathematical Physics53B20, 53B40, 53A17text