Electronic Journal of SADIO
http://www.dc.uba.ar/sadio/ejs
vol. 2, no. 1, pp. 1-4 (1999)
Helmut Prodinger1 |
1
Department of Mathematics, University of the Witwatersrand, P. O. Wits, 2050 Johannesburg, South Africa;Department of Mathematics, University of the Witwatersrand, P. O. Wits, 2050 Johannesburg, South Africa; e-mail: Helmut.Prodinger@tuwien.ac.at |