%0 Journal Article %A Hagedorn, George A. %A Joye, Alain %T Landau-Zener transitions through small electronic eigenvalue gaps in the Born-Oppenheimer approximation %J Annales de l'I.H.P. Physique théorique %D 1998 %P 85-134 %V 68 %N 1 %I Gauthier-Villars %U http://www.numdam.org/item/AIHPA_1998__68_1_85_0/ %G en %F AIHPA_1998__68_1_85_0