@article{RM_1987_42_3_a1,
     author = {B. M. Levitan},
     title = {Asymptotic formulae for the number of lattice points in {Euclidean} and {Lobachevskii} spaces},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {13--42},
     publisher = {mathdoc},
     volume = {42},
     number = {3},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1987_42_3_a1/}
}