%0 Journal Article %A Bui An Ton %T On a Free Boundary Problem for a Nonlinear Coupled System of Evolution Equations of Oceanography. %J Mathematische Zeitschrift %D 1978 %P 125-136 %V 158 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1978__158_172625/ %F MZ_1978__158_172625