@article{DAN_1960_133_6_a6,
     author = {A. V. Malyshev},
     title = {Representation of integers by positive quadratic forms with four and more variables},
     journal = {Doklady Akademii Nauk},
     pages = {1294--1297},
     publisher = {mathdoc},
     volume = {133},
     number = {6},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_133_6_a6/}
}