Wolfgang Mathis, Peter Russer, Encyclopedia of RF and Microwave Engineering, 2005
Alexander I Nesterov, F Aceves de la Cruz, “Complex magnetic monopoles, geometric phases and quantum evolution in the vicinity of diabolic and exceptional points”, J. Phys. A: Math. Theor., 41, № 48, 2008, 485304
Christian Kaas-Petersen, Continuation Techniques and Bifurcation Problems, 1990, 187
Henk W. Broer, Perturbation Theory, 2009, 79
Giuseppe Gaeta, “Reduction and Equivariant Branching Lemma: Dynamical systems, evolution PDEs, and gauge theories”, Acta Appl Math, 28, № 1, 1992, 43
Andrew Y. Morozov, Bai-Lian Li, “Parametric Analysis of a Predator–prey System Stabilized by a Top Predator”, J. Math. Biol., 53, № 2, 2006, 305
Amir Khajepour, M. Farid Golnaraghi, Kirsten A. Morris, “Application of Center Manifold Theory to Regulation of a Flexible Beam”, Journal of Vibration and Acoustics, 119, № 2, 1997, 158
Yu. A. Kuznetsov, W. Govaerts, E. J. Doedel, A. Dhooge, “Numerical Periodic Normalization for Codim 1 Bifurcations of Limit Cycles”, SIAM J. Numer. Anal., 43, № 4, 2005, 1407
Danail S. Brezov, Clementina D. Mladenova, Ivaïlo M. Mladenov, 681, Advanced Computing in Industrial Mathematics, 2017, 1
Filippo Bracci, Graziano Gentili, “Solving the Schröder equation at the boundary in several variables”, Michigan Math. J., 53, № 2, 2005