%0 Journal Article %A Colin de Verdière, Yves %T The level crossing problem in semi-classical analysis. II. The hermitian case %J Annales de l'Institut Fourier %D 2004 %P 1423-1441 %V 54 %N 5 %I Association des Annales de l’institut Fourier %U http://archive.numdam.org/articles/10.5802/aif.2054/ %R 10.5802/aif.2054 %G en %F AIF_2004__54_5_1423_0