@article{DAN_1983_268_6_a9,
     author = {A. V. Lipatov},
     title = {A geometric criterion for stability of discrete time-independent systems with a single nonlinearity},
     journal = {Doklady Akademii Nauk},
     pages = {1318--1322},
     publisher = {mathdoc},
     volume = {268},
     number = {6},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_268_6_a9/}
}