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Astron. Astrophys. 342, 704-708 (1999) AcknowledgementsMy thanks are due to U. Grabowski, who computed the hydrostatics of degenerate isothermal cores and to M. Stix who carried out the numerical simulations of the advanced solar evolution. The hospitality of the Instituto de Astrofisica de Canarias (La Laguna, Tenerife) is gratefully acknowledged, where this version of the paper was written down. Finally I am most grateful to E.E. Salpeter, who taught me several decades ago that all important phases of stellar evolution must be physically transparent on the basis of polytropic theory. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1999 Online publication: February 23, 1999 ![]() |