@article{DAN_1986_290_4_a9,
     author = {P. V. Pakshin},
     title = {An algebraic criterion for absolute stability},
     journal = {Doklady Akademii Nauk},
     pages = {813--815},
     year = {1986},
     volume = {290},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_290_4_a9/}
}