@article{SM_2017_208_12_a4,
     author = {S. V. Konyagin and M. A. Korolev},
     title = {Irreducible solutions of an equation involving reciprocals},
     journal = {Sbornik. Mathematics},
     pages = {1818--1834},
     publisher = {mathdoc},
     volume = {208},
     number = {12},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2017_208_12_a4/}
}