%0 Journal Article
%A Gille, J. F.
%T An exponentiation theorem for unbounded derivations
%J Annales de l'institut Henri Poincaré. Section A, Physique Théorique
%D 1970
%P 215-220
%V 13
%N 3
%I Gauthier-Villars
%U http://archive.numdam.org/item/AIHPA_1970__13_3_215_0/
%G en
%F AIHPA_1970__13_3_215_0