@article{UZKU_2017_159_1_a2,
     author = {A. R. Gaynullina and S. N. Tronin},
     title = {Algebras over the operad of hollow cubes and a~new metric function on the non-negative quadrant of the {Euclidean} plane},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {21--32},
     publisher = {mathdoc},
     volume = {159},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2017_159_1_a2/}
}