1. S. Lojasiewicz, Ensembles Semi-Analytiques, I.H.E.S., Bures-sur-Ivette (1965).
2. A. M. Gabriélov, "Projections of semialgebraic sets," Funkts. Anal.,4, No. 2, 18?22 (1970).
3. A. G. Khovanskii, "A class of systems of transcendental equations," Dokl. Akad. Nauk SSSR,255, No. 4, 804?807 (1980).
4. A. Khovanski, "Theorem de Bezout pour les fonctions de Liouville," Preprint M/81/45, IHES, Bures-sur-Yvette.
5. A. Hovansky, "Sur les racines complexes de systemes d'equations algebriques ayant un petit nombre de monomes," C. R. Acad. Sci.,292, Ser. 1, 937?940 (1981).