A. V. Banshchikov, L. A. Burlakova, V. D. Irtegov, “Problems of stability of dynamic systems and computer algebra”, Зап. научн. сем. ПОМИ, 258 (1999), 262–279; J. Math. Sci. (New York), 108:6 (2002), 1094–1108
1998
2.
Л. А. Бурлакова, “Об устойчивости неконсервативных систем”, Изв. вузов. Матем., 1998, № 1, 11–19; L. A. Burlakova, “On the stability of nonconservative systems”, Russian Math. (Iz. VUZ), 42:1 (1998), 9–17