%0 Journal Article
%A C.T. Kelley
%A E.W. Sachs
%T A Pointwise Quasi-Newton Method for Unconstrained Optimal Control Problems.
%J Numerische Mathematik
%D 1987
%P 159-176
%V 55
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1987__55_4_133349/
%F NUMA_1987__55_4_133349