Discussiones Mathematicae Probability and Statistics 21(2) (2001) 149157
Jolanta K. Misiewicz
Institute of Mathematics, University of Zielona Góra 
Roger Cooke
Facultteit Informatietechnologie en System, Technische Universiteit Delft 

Keywords: measure, convolution of measures, characteristic function, simple fraction.
2000 Mathematics Subject Classification: 60A10, 60B99.
[1]  W. Feller, An Introduction to Probability Theory and its Application, volume II. Wiley, New York 1966. 
[2]  I.S. Gradshteyn and I.M. Ryzhik, Table of Integrals, Series and Products, Fifth Edition, Academic Press 1997. 
[3]  N. Jacobson, Basic Algebra I, W.H. Freeman and Company, San Francisco 1974. 
[4]  S. Lang, Algebra, AddisonWeslay 1970, Reading USA, Second Edition. 
Received 10 January 2002