Fig. 3From: Traveling wave solutions of Zakharov–Kuznetsov-modified equal-width and Burger’s equations via \( {\text{exp}}( - \varphi \left( \eta \right)) \)-expansion methodSingular kink wave solution \( u_{3} \) when \( a_{2} = 1, a_{0} = 2, y = 0, \lambda = 1, c_{1} = - 1 \) Back to article page