%0 Journal Article %A Yu. P. Zubkov %A V. F. Kravchenko %A E. I. Nefedov %T An application of the method of Rvachev to signal-filtration theory and pattern recognition %J Doklady Akademii Nauk %D 1981 %P 823-825 %V 259 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_259_4_a12/ %G ru %F DAN_1981_259_4_a12