1. Sobolev Spaces, Academic Press, New York, 1975.
2. and , ‘Variable stars', Handbuch der Physik’, Vol. LI, Springer, Berlin, 1985. pp. 353-604.
3. ‘On the evolution equations of viscous gaseous stars’, Preprint University of Trento, (submitted for publication).
4. On The Motion of Gaseous Stars in The Presence of Radiation
5. ‘Mathematical principles of classical fluid mechanics’, Handbuch der Physik, Vol. VIII/I, Springer, Berlin, (1990). pp. 125-263.