%0 Journal Article
%A J. Seco Santos
%A A. Calvo Redondo
%A È. S. Kazimirovsky
%T A generalization of Ertel's hydrodynamic theorem
%J Doklady Akademii Nauk
%D 1996
%P 106-107
%V 349
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1996_349_1_a15/
%G ru
%F DAN_1996_349_1_a15