Hagihara, Yusuke Celestial mechanics vol. 2, pt. 2, peturbation theory Yusuke Hagihara - Cambridge MIT Press 1972 - xv, 505-919p. ISBN: 0-262-08053-2 Subjects--Topical Terms: Astronomy and Astrophysics ThesaurusCelestial mechanicsPerturbationPerturbation theory Universal Decimal Class. No.: 521.4 / HAG-2