%0 Journal Article %A A. A. Gudkov %A S. P. Sidorov %A K. A. Spiridonov %T Dual active-set algorithm for optimal 3-monotone regression %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2022 %P 216-223 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2022_22_2_a7/ %G en %F ISU_2022_22_2_a7