@article{DANMA_2020_490_a4,
     author = {V. V. Volchkov and Vit. V. Volchkov},
     title = {Interpolation problems for functions with zero integrals over balls of fixed radius},
     journal = {Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleni\^a},
     pages = {20--23},
     publisher = {mathdoc},
     volume = {490},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DANMA_2020_490_a4/}
}