%0 Journal Article %A P. V. Nikolenko %T On~the homotopy groups of certain spaces of matrix-valued functions and on the stability of the system of partial indices of a~family of matrix-valued functions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1984 %P 185-186 %V 39 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1984_39_2_a27/ %G en %F RM_1984_39_2_a27