The Neumann Problem for a Degenerate Differential-Operator Equation
| Bulletin of TICMI (Tbilisi International Centre of Mathematics and Informatics), vol.14, 2010,
pp.1-9
Մաթեմատիկա հումանիտար մասնագիտությունների համար
| Ուսումնական ձեռնարկ, ԵՊՀ, Երևան, 178 էջ, 2004
Degenerate Ordinary Differential Equations of Fourth Order on Infinite Intervals
| Vestnik RAU, Physical – Mathematical and Natural Sciences, 2010, no. 1, pp. 4-11
Hosein Ansari
Esmaeil Yousefi, Mixed Problem for the Degenerate Differential-Operator Equations of the Fourth Order
| Vestnik RAU, Physical – Mathematical and Natural Sciences, 2010, no. 2, pp. 3-8
The Generalized Neumann Problem for a Degenerate Operator
| International Conference Mathematics in Armenia (Advances and Perspectives), Yerevan, 2003, p.p. 84-85
Continuity of the Spectrum for a Degenerate Operator
| International Conference Harmonic Analysis and Approximations,II, Yerevan, 2001, p.p. 59-60