Hopf bifurcation for Wright-type delay differential equations: The simplest formula, period estimates, and the absence of folds. - István Balázs; Gergely Röst (Commun. Nonlinear Sci. Numer. Simul., 2020)

A Differential Equation with a State-Dependent Queueing Delay. - István Balázs; Tibor Krisztin (SIAM J. Math. Anal., 2020)

Hopf Bifurcations in Nicholson's Blowfly Equation are Always Supercritical. - István Balázs; Gergely Röst (Int. J. Bifurc. Chaos, 2021)