@article{RM_2018_73_4_a8,
     author = {N. N. Andreev and D. K. Mamyi},
     title = {Mathematical {Park}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {747--751},
     year = {2018},
     volume = {73},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2018_73_4_a8/}
}