Some constraints on the Yukawa parameters in the neutrino modification of the Standard Model (νMSM) and CP-violationVolodymyrM. Gorkavenko and StanislavI. VilchynskiyEur. Phys. J. C, 70 4 (2010) 1091-1098DOI: https://doi.org/10.1140/epjc/s10052-010-1488-y