TY - JOUR AU - Jürgen Moser TI - An example of a Schroedinger equation with almost periodic potential and nowhere dense spectrum. JO - Commentarii mathematici Helvetici PY - 1981 SP - 198 EP - 224 VL - 56 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1981__56_139867/ ID - CMH_1981__56_139867 ER -