@article{SM_1970_11_3_a2,
     author = {M. I. Israilov},
     title = {An~asymptotic formula for the number of solutions of {a~Diophantine} equation},
     journal = {Sbornik. Mathematics},
     pages = {327--338},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1970},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1970_11_3_a2/}
}