Simultaneous influence of Stark effect and excessive line broadening on the Hα line Nikola Cvetanović, Saša S. Ivković, Bratislav M. Obradović and Milorad M. Kuraica Eur. Phys. J. D, 71 12 (2017) 317 Published online: 07 December 2017 DOI: 10.1140/epjd/e2017-80339-7