%0 Journal Article %A R. T. Faizullin %A R. R. Faizullin %T The restoration of functional relationships with a~given singularity %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2014 %P 103-108 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2014_14_1_a12/ %G ru %F ISU_2014_14_1_a12