TY - JOUR AU - V. Yu. Gotlib TI - Helmgoltz equation solutions concentrated near periodical boundary JO - Zapiski Nauchnykh Seminarov POMI PY - 1998 SP - 83 EP - 96 VL - 250 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1998_250_a6/ LA - ru ID - ZNSL_1998_250_a6 ER -