TY  - JOUR
AU  - V. A. Sadovnichii
AU  - Z. Yu. Fazullin
TI  - Asymptotics of the eigenvalues and the formula for the trace of perturbations of the Laplace operator on the sphere~$\mathbb S^2$
JO  - Matematičeskie zametki
PY  - 2005
SP  - 434
EP  - 448
VL  - 77
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2005_77_3_a9/
LA  - ru
ID  - MZM_2005_77_3_a9
ER  -