On the equilibrium configuration of point charges placed on an ellipse J. M. Aguirregabiria, A. Hernández, M. Rivas, and M. A. Valle Citation: Computers in Physics 4, 60 (1990); doi: 10.1063/1.168375 View online: https://doi.org/10.1063/1.168375 View Table of Contents: https://aip.scitation.org/toc/cip/4/1 Published by the American Institute of Physics