Ebadi, Ghodrat, Nazila Yousefzadeh Yousefzadeh Fard, Houria Triki, and Anjan Biswas. 2012. “Exact Solutions of the 2+1-Dimensional Camassa–Holm Kadomtsev–Petviashvili Equation”. Nonlinear Analysis: Modelling and Control 17 (3): 280-96. https://doi.org/10.15388/NA.17.3.14056.