G. G. Sahakyan, “About some properties of solutions for Dirac’s canonic system”, Proceedings of the YSU, Physical and Mathematical Sciences, 2007, no. 2, 3–11
G. H. Sahakyan, “About characteristic equation for two-parameter matrix equation”, Proceedings of the YSU, Physical and Mathematical Sciences, 2006, no. 3, 21–24
3.
T. N. Harutyunyan, G. G. Sahakyan, “The existence of the eigenvalues for dirac’s two-parameter boundary-value problem”, Proceedings of the YSU, Physical and Mathematical Sciences, 2006, no. 2, 25–32
2005
4.
T. N. Harutyunyan, G. H. Sahakyan, “On a spectral problem for a system of partial differential equations”, Proceedings of the YSU, Physical and Mathematical Sciences, 2005, no. 3, 40–46
2002
5.
G. H. Sahakyan, “On completness of eigenvectors for Dirac two parameter boundary problem”, Proceedings of the YSU, Physical and Mathematical Sciences, 2002, no. 1, 9–14
2001
6.
G. H. Sahakyan, “Floke–Liapunov's theorem for Dirac's two-parameter system with periodical coefficients”, Proceedings of the YSU, Physical and Mathematical Sciences, 2001, no. 2, 14–21
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