Fridman, A. M. Physics of gravitating systems I equilibrium and stability A. M. Fridman and V. L. Polyachenko - New York Springer-Verlag 1984 - xvii, 468p. ISBN: 0-387-11045-3 Subjects--Topical Terms: AstrophysicsEquilibriumGravitationNASA Thesaurus Universal Decimal Class. No.: 521.5 / FRI-I