Thanks to:

    My parents who bought my first computer MSX

    Professor You-Hsien Shiau (Univ. Taipei, Taiwan) for his support

    Dr. Kun-Yuan Xu (China) for using actively Archimedes

    Richard Stallman and Karl Berry for their assistance and encouragement

    Didier Link for his kind help 

    Prof. Angelo Marcello Anile and Prof. Vittorio Romano
    (Universita' di Catania, Italy) for the very helpful conversations


Siracusa, (Cassibile), Italy 2006-12-23
--
contacts : sellier@dmi.unict.it


