@article{IM2_1987_28_1_a3,
     author = {V. A. Plaksin},
     title = {The number of integers representable as a~sum of two squares on small intervals},
     journal = {Izvestiya. Mathematics },
     pages = {67--78},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1987_28_1_a3/}
}