@article{DAN_1962_143_2_a5,
     author = {A. A. Kiselev and I. Sh. Slavutskii},
     title = {Some congruences for the number of representations as sums of an odd number of squares},
     journal = {Doklady Akademii Nauk},
     pages = {272--274},
     publisher = {mathdoc},
     volume = {143},
     number = {2},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_143_2_a5/}
}