International Journal of Mathematics and Mathematical Sciences
Volume 14 (1991), Issue 2, Pages 410
doi:10.1155/S0161171291000509
  
     
          
          On Ptolemy's theorem
          
            Oved Shisha
          
          Department of Mathematics, The University of Rhode Island, Kingston 02881-0816, RI, USA
          
          Abstract
This article has no abstract.