Khilmi, G. F. Qualitative methods in the many body problem G. F. Khilmi - New York Gordon and Breach Science 1961 - xi, 117p. - Russian tracts on advanced mathematics and physics; v. 3 . Subjects--Topical Terms: Astronomy and astrophysics thesaurusCelestial mechanicsMany-Body problem Universal Decimal Class. No.: 521.131 / KHI