%0 Journal Article
%A Deveney, James K.
%A Finston, David R.
%T Fields of Ga Invariants are Ruled
%J Canadian mathematical bulletin
%D 1994
%P 37-41
%V 37
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-006-0/
%R 10.4153/CMB-1994-006-0
%F 10_4153_CMB_1994_006_0