%0 Journal Article %A Wojciech Hyb %T On the spectral properties of translation operators in one-dimensional tubes %J Annales Polonici Mathematici %D 1991 %P 157-161 %V 55 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-55-1-157-161/ %R 10.4064/ap-55-1-157-161 %G en %F 10_4064_ap_55_1_157_161