PEG ' 97 Secretariat

       
      PEG97 Organizing Committee
      c/o Darina Dicheva
      Faculty of Mathematics and Informatics
      5, James Bouchier Str.
      1164 Sofia
      Bulgaria      

Tel: (+359 2) 656157

Fax: (+359 2) 656157

E-mail: peg97@fmi.uni-sofia.bg