@article{DM_2022_34_2_a2,
     author = {M. A. Iordanskii},
     title = {.Cloning operations and graph diameter},
     journal = {Diskretnaya Matematika},
     pages = {26--31},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2022_34_2_a2/}
}