%0 Journal Article %A N. S. Imanbaev %A M. A. Sadybekov %T Stability of basis property of a~type of problems on eigenvalues with nonlocal perturbation of boundary conditions %J Ufa mathematical journal %D 2011 %P 27-32 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UFA_2011_3_2_a3/ %G en %F UFA_2011_3_2_a3