@article{RM_2018_73_5_a3,
     author = {M. E. Changa},
     title = {On a sum of {Legendre} symbols},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {919--921},
     publisher = {mathdoc},
     volume = {73},
     number = {5},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2018_73_5_a3/}
}