@article{SEMR_2021_18_2_a69,
     author = {A. V. Greshnov},
     title = {On finding the exact values of the constant in a $(1,q_2)$-generalized triangle inequality for {Box-quasimetrics} on $2$-step {Carnot} groups with $1$-dimensional center},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {1251--1260},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2021_18_2_a69/}
}