Exact solutions for the Wick-type stochastic Kersten-Krasil’shchik coupled KdV-mKdV equations S. Singh and S. Saha Ray Eur. Phys. J. Plus, 132 11 (2017) 480 Published online: 21 November 2017 DOI: 10.1140/epjp/i2017-11761-8