TY - JOUR AU - N. G. Kuznetsov AU - O. V. Motygin TI - The Steklov problem in a half-plane: the dependence of eigenvalues on a~piecewise-constant coefficient JO - Zapiski Nauchnykh Seminarov POMI PY - 2003 SP - 162 EP - 190 VL - 297 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2003_297_a10/ LA - ru ID - ZNSL_2003_297_a10 ER -