%0 Journal Article %A M. A. Shubin %T Spectrum and its distribution function for a transversally elliptic operator %J Funkcionalʹnyj analiz i ego priloženiâ %D 1981 %P 90-91 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1981_15_1_a17/ %G ru %F FAA_1981_15_1_a17