TY - JOUR AU - Wojciech Hyb TI - On the spectral properties of translation operators in one-dimensional tubes JO - Annales Polonici Mathematici PY - 1991 SP - 157 EP - 161 VL - 55 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-55-1-157-161/ DO - 10.4064/ap-55-1-157-161 LA - en ID - 10_4064_ap_55_1_157_161 ER -