TY - BOOK AU - Saslaw,William C. TI - Gravitational physics of stellar and galactic systems T2 - Cambridge monographs on mathematical physics SN - 0521349753 U1 - 523 PY - 1987/// CY - Cambridge PB - Cambridge University Press KW - Αστροφυσική KW - Βαρύτητα N1 - Includes bibliography and index ER -