@article{DANMA_2021_496_a5,
     author = {M. G. Grigoryan},
     title = {On the existence and structure of universal functions},
     journal = {Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleni\^a},
     pages = {30--33},
     publisher = {mathdoc},
     volume = {496},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DANMA_2021_496_a5/}
}