共 5 条
[1]
Rouche N., 1977, Stability Theory by Liapunov's Direct Method
[2]
Rumyantsev VV, 1987, USTOICHIVOST STABILI
[3]
Shchennikova E.V., 1997, MAT MODEL, V9, P24
[4]
Vorotnikov V.I., 2010, IZV ROSS AKAD NAUK T, P23
[5]
Yoshizawa T., 1959, FUNKC EKVACIOJ-SER I, V2, P95