@article{FPM_1999_5_3_a19,
     author = {M. Z. Garaev and Kh. Hessami Pilehrood},
     title = {A~note on the~system of {Pell's} equations},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {927--930},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_1999_5_3_a19/}
}