%0 Journal Article %A T. N. Harutyunyan %A G. G. Sahakyan %T The existence of the eigenvalues for dirac’s two-parameter boundary-value problem %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2006 %P 25-32 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2006_2_a1/ %G ru %F UZERU_2006_2_a1