TY - JOUR AU - Křížek, Michal AU - Neittaanmäki, Pekka TI - On time-harmonic Maxwell equations with nonhomogeneous conductivities: Solvability and FE-approximation JO - Applications of Mathematics PY - 1989 SP - 480 EP - 499 VL - 34 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1989.104379/ DO - 10.21136/AM.1989.104379 LA - en ID - 10_21136_AM_1989_104379 ER -