On the geometry of Lorentz orbi spaces
русский/английский/On the geometry of Lorentz orbi spaces / A. Gheorghe, E. Mihul ; Лаб. теорет. физики.On the geometry of Lorentz orbi spaces / A. Gheorghe, E. Mihul.On the geometry of Lorentz orbi spaces.Б. м./, 1974 ( ). - 1974.On the geometry of Lorentz orbi spaces. Б. м., 1974 .