00766nam a2200217Ia 4500003000900000008004100009020001800050040001600068080001600084100002900100245006800129260003500197300001400232490007800246650002400324650003100348650004900379942000700428999001500435952009800450IN-BaIIA211028s9999    xx            000 0 eng d  a0-12-635250-X  cIIA Library  a524.83bSEG  aSegal, Irving Ezra98679 0aMathematical cosmology and extragalactic astronomycI. E. Segal  aNew YorkbAcademic Pressc1976  aix, 204p.  aPure and applied mathematics: a series of monographs and textbooks; v. 68  a Cosmology 98047  a Galactic astronomy98680  aAstronomy and astrophysics thesaurus 91143  cBK  c4862d4862  00104070aBANbBANcGENd1976-06-19l0o524.83/ SEGp5439r2021-11-05w1976-06-19yBK 22.5