1. Demidovich, B.P., Lektsii po matematicheskoi teorii
ustoichivosti (Lectures on Mathematical Stability Theory), Moscow:
Nauka, 1967.
2. Hartman, P., Ordinary Differential
Equations, New York–London–Sydney: John Wiley & Sons, 1964. Translated
under the title: Obyknovennye differentsial’nye
uravneniya, Moscow: Mir, 1990.
3. Arnol’d, V.I., Obyknovennye differentsial’nye uravneniya
(Ordinary Differential Equations), Moscow: Nauka, 1984.
4. Henry, D., Geometric Theory of Semilinear
Parabolic Equations, Berlin: Springer, 1981. Translated under the title: Geometricheskaya teoriya polulineinykh parabolicheskikh uravnenii,
Moscow: Mir, 1985.
5. Mironenko, V.I., Reflecting function and classification of periodic differential
systems, Differ. Uravn., 1984, vol. 20, no. 9,
pp. 1635–1638.