@article{VMUMM_2013_2_a0,
     author = {N. V. Volchanetskii and I. M. Nikonov},
     title = {Maximally symmetric height atoms},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--6},
     publisher = {mathdoc},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2013_2_a0/}
}