%0 Journal Article %A B. A. Plamenevskii %A V. N. Senichkin %T Spectra of $X^*$-algebras of pseudodifferential operators with multidimensional discontinuities in symbols %J Funkcionalʹnyj analiz i ego priloženiâ %D 1986 %P 85-86 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1986_20_4_a16/ %G ru %F FAA_1986_20_4_a16