For citations:
Pravdin K.V., Popov I.Yu. Photonic crystal with negative index material layers. Nanosystems: Physics, Chemistry, Mathematics. 2014;5(5):626-643.
Pravdin K.V., Popov I.Yu. Photonic crystal with negative index material layers. Nanosystems: Physics, Chemistry, Mathematics. 2014;5(5):626-643.