Cao , Chengming and Yuan , Xiaoping. (2021). On the Growth in Time of Sobolev Norms for Time Dependent Linear Generalized KdV-Type Equations.
            <i>Journal of Nonlinear Modeling and Analysis</i>. <i>2</i> (3).
            355-373.
         doi:10.12150/jnma.2020.355