00533nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001700084100002100101245007600122260003100198300001600229650004100245650002400286650001700310650002400327IN-BaIIA211028s9999    xx            000 0 eng d  a0-262-08048-6  cIIA Library  a521.4bHAG-1  aHagihara, Yusuke 0aCelestial mechanicsbvol. 2, pt. 1, peturbation theorycYusuke Hagihara  aCambridgebMIT Pressc1972  axvii, 504p.  aAstronomy and Astrophysics Thesaurus  aCelestial mechanics  aPerturbation  aPerturbation theory