International Journal of Mathematics and Mathematical Sciences 
Volume 23 (2000), Issue 4, Pages 289-295
doi:10.1155/S0161171200000466

Double and triple summation expressions obtained using perturbation theory

Harry A. Mavromatis

 Physics Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
Received 4 May 1998

Abstract

Using standard perturbation theory, simple new double and triple summation expressions are obtained.