1. J. Joannopoulos, R. Meade, J. Winn, Photonic Crystals (Princeton University Press, Princeton, 1995)
2. V.F. Shabanov, S.Y. Vetrov, A.V. Shabanov, Optics of Real Photonic Crystals. Liquid Crystal Defects, Inhomogeneities (Izdatelstvo SO RAN, Novosibirsk, 2005) (In Russian)
3. S.V. Sazonov, N.V. Ustinov, Phys. Rev. A. 98, 063803 (2018)
4. G. Fibich, B. Ilan, Opt. Lett. 29, 887 (2004)
5. P.M. Goorjian, Y. Silberberg, J. Opt. Soc. Am. B 14, 3253 (1997)