%0 Journal Article
%A A. I. Subbotin
%A A. M. Tarasyev
%T Conjugate derivatives of the value function of a differential
%J Doklady Akademii Nauk
%D 1985
%P 559-564
%V 283
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1985_283_3_a9/
%G ru
%F DAN_1985_283_3_a9