@article{ISU_2014_14_1_a12,
     author = {R. T. Faizullin and R. R. Faizullin},
     title = {The restoration of functional relationships with a~given singularity},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {103--108},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2014_14_1_a12/}
}