%0 Journal Article %T Nonlinear stability of two-layer shallow water flows with a free surface %A Francisco de Melo Virssimo %A Paul A. Milewski %J - %D 2020 %R 10.1098/rspa.2019.0594 %X The problem of two layers of immiscible fluid, bordered above by an unbounded layer of passive fluid and below by a flat bed, is formulated and discussed. The resulting equations are given by a fir.. %U https://royalsocietypublishing.org/doi/10.1098/rspa.2019.0594