Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MOMA_1980__89_177953, author = {L.J. Yang}, title = {Multiple {Lattice} {Packings} and {Coverings} of {Spheres.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {69--76}, publisher = {mathdoc}, volume = {89}, year = {1980}, zbl = {0414.10027}, url = {http://geodesic.mathdoc.fr/item/MOMA_1980__89_177953/} }
L.J. Yang. Multiple Lattice Packings and Coverings of Spheres.. Monatshefte für Mathematik, Tome 89 (1980), pp. 69-76. http://geodesic.mathdoc.fr/item/MOMA_1980__89_177953/