Hong Wang Da-Quan Xian Han-lin Chen Homoclinic breather-wave solutions and doubly periodic wave solutions for coupled KdV equations. 610-615 2011 218 Appl. Math. Comput. 2 https://doi.org/10.1016/j.amc.2011.05.112 db/journals/amc/amc218.html#WangXC11