@article{ISU_2022_22_1_a1,
     author = {A. A. Klyachin and V. A. Klyachin},
     title = {Uniqueness theorems for recovering the inverse image under~degenerate transformations},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {15--27},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2022_22_1_a1/}
}