%0 Journal Article %A M. A. Shubin %T The spectral theory and the index of elliptic operators with almost periodic coefficients %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1979 %P 109-157 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1979_34_2_a2/ %G en %F RM_1979_34_2_a2