@article{PDM_2018_1_a1,
     author = {L. A. Sholomov},
     title = {On an invariant for the problem of underdetermined data decomposing},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {13--32},
     publisher = {mathdoc},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2018_1_a1/}
}