TY - BOOK AU - Bogoyavlensky,Oleg I. TI - Methos in Qualitative Theory of Dynamical Systems in Astrophysics and Gas Dynamics T2 - Springer Series in Soviet Mathematics SN - 3540136142 U1 - 523.01 PY - 1985/// CY - New York: PB - Springer-Verlag, KW - Cosmological Models KW - Dynamical Systems KW - Earth Science KW - Qualitatives Analysis ER -