%0 Journal Article %A V. A. Sadovnichii %A Z. Yu. Fazullin %T Asymptotics of the eigenvalues and the formula for the trace of perturbations of the Laplace operator on the sphere~$\mathbb S^2$ %J Matematičeskie zametki %D 2005 %P 434-448 %V 77 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2005_77_3_a9/ %G ru %F MZM_2005_77_3_a9