@article{DAN_1990_313_5_a0,
     author = {P. N. Antonyuk and K. P. Stanyukovich},
     title = {Periodic solutions of a logistic difference equation},
     journal = {Doklady Akademii Nauk},
     pages = {1033--1036},
     publisher = {mathdoc},
     volume = {313},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_5_a0/}
}