Abarbanel, Henry D. I.Holm, Darryl D.Marsden, Jerrold E.Ratiu, Tudor S.2008-11-202008-11-202008-11-20198610.1098/rsta.1986.0078https://infoscience.epfl.ch/handle/20.500.14299/31412Nonlinear stability analysis of stratified fluid equilibriatext::journal::journal article::research article