%0 Journal Article %A Pekka Neittaanmäki %A Rainer Picard %T On the convergence of the finite element approximation of eigenfrequencies and eigenvectors to Maxwell's boundary value problem %J Annales Fennici Mathematici %D 1981 %P 255-271 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1981.0613/ %R 10.5186/aasfm.1981.0613 %G en %F AFM_1981_6_2_a6