Compact stars with a small electric charge: the limiting radius to mass relation and the maximum mass for incompressible matterJosé P. S. Lemos, Francisco J. Lopes, Gonçalo Quinta and Vilson T. ZanchinEur. Phys. J. C, 75 2 (2015) 76DOI: https://doi.org/10.1140/epjc/s10052-015-3274-3