%0 Journal Article
%A A. A. Davydov
%A V. M. Zakalyukin
%T Point singularities of a~conditional minimum on a~three-dimensional manifold
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1998
%P 113-129
%V 220
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1998_220_a6/
%G ru
%F TM_1998_220_a6