Abstract
CONTENTS 1. Introduction 522 2. Equilibrium of Supermassive Star 524 3. Equilibrium of Rotating Star with γ = 4/3 529 4. The Possible Occurrence of a Supermassive Star 531 5. Evolution of Supermassive Star 532 6. Evolution of Star of Medium Mass 537 7. Motion of Trial Particles and Light Rays in a Schwarzschild Field 544 8. Radiation of Gravitational Waves 547 9. Collapse of Rotating Star 549 10. Collapse of Nonspherical Body 551 11. Does Rapid Rotation Interfere with Collapse of a Star? 552 12. Comparison with Observations 553 13. Accretion of Gas by Neutron and Cooled Stars 557 14. Magnetic and Magnetohydrodynamic Phenomena 563 15. Quasars ("Superstars") 567 16. Magnetoturbulent Theory of Quasars 568 17. The Anticollapse Hypothesis 570 Appendix 571 Cited Literature 574