1. Number of countable models;Pillay;J. Symbolic Logic,1978
2. Theories with exactly three countable models and theories with algebraic prime models;Pillay;J. Symbolic Logic,1980
3. Countable models of stable theories;Pillay;Proc. Amer. Math. Soc.,1983
4. Stable theories, pseudoplanes and the number of countable models;Pillay;Ann. Pure Appl. Logic,1989
5. On linearly ordered models and their end extensions;Shelah;Notices Amer. Math. Soc.,1974