Analytic study of electron transmission through serial mesoscopic metallic rings W. Y. Cui, S. Z. Wu, G. Jin, X. Zhao and Y. Q. Ma Eur. Phys. J. B, 59 1 (2007) 47-54 Published online: 05 October 2007 DOI: 10.1140/epjb/e2007-00258-4