%0 Journal Article %A M. Sh. Birman %T The Maxwell operator for a~periodic resonator with inward edges %J Informatics and Automation %D 1988 %P 23-35 %V 179 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1988_179_a2/ %G ru %F TRSPY_1988_179_a2