@article{MZM_2017_102_3_a2,
     author = {V. P. Zastavnyi and A. D. Manov},
     title = {On the {Positive} {Definiteness} of {Some} {Functions} {Related} to the {Schoenberg} {Problem}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {355--368},
     publisher = {mathdoc},
     volume = {102},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2017_102_3_a2/}
}