@article{MZM_2006_79_5_a14,
     author = {M. M. Anzin},
     title = {On lattice covering density for $n=13$ and $n=15$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {781--784},
     publisher = {mathdoc},
     volume = {79},
     number = {5},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_79_5_a14/}
}