Double Hopf Bifurcation with Huygens Symmetry. - Petko M. Kitanov; William F. Langford; Allan R. Willms (SIAM J. Appl. Dyn. Syst., 2013)

Dynamics of Meandering Spiral Waves with Weak Lattice Perturbations. - Petko M. Kitanov; Victor G. LeBlanc (SIAM J. Appl. Dyn. Syst., 2017)