TY - JOUR AU - K. V. Pravdin AU - I. Yu. Popov TI - Photonic crystal with negative index material layers JO - Nanosistemy: fizika, himiâ, matematika PY - 2014 SP - 626 EP - 643 VL - 5 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NANO_2014_5_5_a1/ LA - en ID - NANO_2014_5_5_a1 ER -