@article{DE_2003_39_11_a15,
     author = {O. G. Antonovskaya},
     title = {On the {Maximum} {Possible} {Negativity} {Margin} for the {First} {Derivative} {(First} {Difference)} of a {Quadratic} {Lyapunov} {Function}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1562--1563},
     year = {2003},
     volume = {39},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_11_a15/}
}