Effect of strongly coupled plasma on the doubly excited states of heliumlike ions J.K. Saha, T.K. Mukherjee, P.K. Mukherjee and B. Fricke Eur. Phys. J. D, 66 2 (2012) 43 Published online: 24 February 2012 DOI: 10.1140/epjd/e2011-20660-7