(1+1)维修正Broer-Kaup_Kupershmidt方程的双线性化和精确解
(1+1)유수정Broer-Kaup_Kupershmidt방정적쌍선성화화정학해
Double Linearization and Accurate Solution of (1+1) Dimension Positive Broer-Kaup_Kupershmidt Equation