@article{DAN_1995_344_5_a10,
     author = {V. I. Zhuk},
     title = {On the form of the neutral curve enclosing the instability region},
     journal = {Doklady Akademii Nauk},
     pages = {615--618},
     year = {1995},
     volume = {344},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_344_5_a10/}
}