@article{INTO_2020_182_a7,
     author = {A. V. Kostin and N. N. Kostina},
     title = {Tammes problem and contact number of a sphere in spaces of constant curvature},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {45--50},
     publisher = {mathdoc},
     volume = {182},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2020_182_a7/}
}