TY - JOUR AU - L. A. Sholomov TI - On an invariant for the problem of underdetermined data decomposing JO - Prikladnaâ diskretnaâ matematika PY - 2018 SP - 13 EP - 32 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2018_1_a1/ LA - ru ID - PDM_2018_1_a1 ER -