@article{DE_1995_31_5_a23,
     author = {V. A. Yudin},
     title = {The {Laplace} operator and packings of balls in a {Euclidean} space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {896--898},
     publisher = {mathdoc},
     volume = {31},
     number = {5},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_5_a23/}
}