Neamtu, Mihaela; Opris, Dumitru and Chilarescu, Constantin (2005): Hopf bifurcation in a dynamic IS-LM model with time delay. Published in: Chaos, Solitons and Fractals , Vol. 34, No. 2 (2007): pp. 519-530.
Dobrescu, Loretti Isabella and Opris, Dumitru (2007): Neimark-Sacker bifurcation for the discrete-delay Kaldor model. Forthcoming in: Chaos, Solitons and Fractals
