%0 Journal Article
%A Renaud, A.
%A Cohen, G.
%T An extension of the auxiliary problem principle to nonsymmetric auxiliary operators
%J ESAIM: Control, Optimisation and Calculus of Variations
%D 1997
%P 281-306
%V 2
%I EDP-Sciences
%U http://www.numdam.org/item/COCV_1997__2__281_0/
%G en
%F COCV_1997__2__281_0