Bogoyavlensky, O. I. (1985). Methods in tghe qualitative theory of dynamical systems in astrophysics and gas dynamics. Springer-Verlag.
Dyfyniad Arddull ChicagoBogoyavlensky, Oleg I. Methods in Tghe Qualitative Theory of Dynamical Systems in Astrophysics and Gas Dynamics. Berlin: Springer-Verlag, 1985.
Dyfyniad MLABogoyavlensky, Oleg I. Methods in Tghe Qualitative Theory of Dynamical Systems in Astrophysics and Gas Dynamics. Springer-Verlag, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.