@article{DAN_1986_286_6_a5,
     author = {V. A. Plaksin},
     title = {Numbers representable by the sum of two squares},
     journal = {Doklady Akademii Nauk},
     pages = {1305--1307},
     publisher = {mathdoc},
     volume = {286},
     number = {6},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_286_6_a5/}
}