Bifurcation structure of a driven van der Pol-type equationHertzen, R. von; Kongas, Olav; Engelbrecht, JüriProceedings of the 6th Finnish Mechanics Days, September 5-6, 1997, Oulu, Finland1997 / p. 419-435: ill Colored-noise-induced Hopf bifurcations in predator-prey communitiesMankin, Romi; Laas, Tõnu; Sauga, Ako; Ainsaar, Ain; Reiter, EerikPhysical review E2006 / p. 021101-1 - 021101-9 https://journals.aps.org/pre/pdf/10.1103/PhysRevE.74.021101 Kaoseraamat : [õpik]Lepik, Ülo; Engelbrecht, Jüri1999 https://www.ester.ee/record=b1268229*est