Wigner solution of the quark gap equationZhu-Fang Cui, Shu-Sheng Xu, Bo-Lin Li, An Sun, Jing-Bo Zhang and Hong-Shi ZongEur. Phys. J. C, 78 9 (2018) 770DOI: https://doi.org/10.1140/epjc/s10052-018-6264-4