Neishtadt, Anatoly. On stability loss delay for dynamical bifurcation (англ.) // Discrete and Continuous Dymanical Systems — Series S : журнал. — 2009. — Vol. 2, no. 4. — P. 897—909. — ISSN1937-1632. — doi:10.3934/dcdss.2009.2.897.
Neishtadt, Anatoly. On stability loss delay for dynamical bifurcation (англ.) // Discrete and Continuous Dymanical Systems — Series S : журнал. — 2009. — Vol. 2, no. 4. — P. 897—909. — ISSN1937-1632. — doi:10.3934/dcdss.2009.2.897.