VYACHESLAV S. KALNITSKY Department of Higher Geometry Saint-Petersburg State University 198504, St. Petersburg, University ave., 28 Tel: (812) 428-6944 Fax: (812) 428-6944 Email: skalnitsky@hotmail.com Web: www.cesj.com/kalnitsky.html

Lecturer of Saint-Petersburg State University

PhD in mathematics

Member of European Mathematical Society

&

Saint-Petersburg Mathematical Society

Editor of Central European Journal of Mathematics

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© Kalnitsky 2006 Date of last modify: 18/08/2006