%0 Journal Article %A I. I. Sharapudinov %A S. R. Magomedov %T Systems of functions orthogonal in the sense of Sobolev associated with Haar functions and the Cauchy problem for ODEs %J Daghestan Electronic Mathematical Reports %D 2017 %P 1-15 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DEMR_2017_7_a0/ %G en %F DEMR_2017_7_a0