Jinping Jiang,  Yanren Hou & Xiaoxia Wang. (1970). The Pullback Asymptotic Behavior of the Solutions for 2D Nonautonomous G-Navier-Stokes Equations.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>4</i> (2).
            223-237.
         doi:10.4208/aamm.10-m1071