%0 Journal Article %A V. I. Arnol'd %T Critical points of functions on a manifold with boundary, the simple %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1978 %P 99-116 %V 33 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1978_33_5_a3/ %G en %F RM_1978_33_5_a3