L. Tepoyan, “O vyrozhdayuschikhsya differentsialno-operatornykh uravneniyakh vysokogo poryadka”, Izvestiya NAN Armenii, Matematika, 34:5 (1999), 48–56
L. Tepoyan, “O spektre odnogo vyrozhdayuschegosya operatora”, Izvestiya NAN Armenii, 38:5 (2003), 53–57
L. Tepoyan, “The Mixed Problem for a Degenerate Operator Equation”, BULLETIN of TICMI (Tbilisi International Centre of Mathematics and Informatics), 12 (2008), 15–28
S. Osipova, L. Tepoyan, “On Euler type equation”, Proceedings of the Yerevan State University, Physical and Mathematical Sciences, 1 (2009), 16–19
L. P. Tepoyan, “Degenerate first order differential-operator equations”, Proceedings of the YSU, Physical and Mathematical Sciences, 53:3 (2019), 163–169
2014
2.
L. Tepoyan, “Nonselfadjoint degenerate differential equations of higher order”, Proceedings of the YSU, Physical and Mathematical Sciences, 2014, no. 2, 24–29
2012
3.
L. P. Tepoyan, H. S. Grigoryan, “On degenerate nonself-adjoint differential equations of fourth order”, Proceedings of the YSU, Physical and Mathematical Sciences, 2012, no. 3, 29–33
2010
4.
L. P. Tepoyan, Kalvand Daryoush, “Neumann problem for fourth order degenerate ordinary differential equations”, Proceedings of the YSU, Physical and Mathematical Sciences, 2010, no. 1, 22–26
Contact us: