%0 Journal Article %A L. N. Nikol'skaya %T Stability of eigenvalues of some singular integral equations under compact perturbations %J Zapiski Nauchnykh Seminarov POMI %D 1984 %P 127-136 %V 138 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1984_138_a8/ %G ru %F ZNSL_1984_138_a8