%0 Journal Article %A N. A. Lebedev %A Yu. V. Linnik %A A. L. Rukhin %T Monotone convex matrix loss functions in statistics %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1971 %P 291-299 %V 112 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1971_112_a18/ %G ru %F TM_1971_112_a18