TY - JOUR AU - Pavel Exner AU - Andrii Khrabustovskyi TI - Gap control by singular Schrödinger operators in a periodically structured metamaterial JO - Žurnal matematičeskoj fiziki, analiza, geometrii PY - 2018 SP - 270 EP - 285 VL - 14 IS - 3 UR - http://geodesic.mathdoc.fr/item/JMAG_2018_14_3_a1/ LA - en ID - JMAG_2018_14_3_a1 ER -