Feigin, M; Kagan, M (2004). "Emergencies as a manifestation of effect of bifurcation memory in controlled unstable systems". International Journal of Bifurcation and Chaos (journal). 14 (7): 2439–2447. Bibcode:2004IJBC...14.2439F. doi:10.1142/S0218127404010746. ISSN0218-1274.
Feigin, M; Kagan, M (2004). "Emergencies as a manifestation of effect of bifurcation memory in controlled unstable systems". International Journal of Bifurcation and Chaos (journal). 14 (7): 2439–2447. Bibcode:2004IJBC...14.2439F. doi:10.1142/S0218127404010746. ISSN0218-1274.
Feigin, M; Kagan, M (2004). "Emergencies as a manifestation of effect of bifurcation memory in controlled unstable systems". International Journal of Bifurcation and Chaos (journal). 14 (7): 2439–2447. Bibcode:2004IJBC...14.2439F. doi:10.1142/S0218127404010746. ISSN0218-1274.