%0 Journal Article
%A G. A. Sokolik
%A N. P. Konopleva
%T Wave field equations covariant with an $n$-dimensional substantial unimodular group
%J Doklady Akademii Nauk
%D 1966
%P 539-542
%V 169
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1966_169_3_a12/
%G ru
%F DAN_1966_169_3_a12