@article{IIMI_2018_52_a4,
     author = {P. D. Lebedev and N. G. Lavrov},
     title = {Algorithms of optimal ball packing into ellipsoids},
     journal = {Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta},
     pages = {59--74},
     publisher = {mathdoc},
     volume = {52},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIMI_2018_52_a4/}
}