Labovskiy Sergey M

Publications in Math-Net.Ru

1. On a necessary and sufficient condition for the negativeness of the Green’s function of a two-point boundary value problem for a functional differential equation
   
   Russian Universities Reports. Mathematics, 26:136 (2021),  382–393
2. On the spectral properties and positivity of solutions of a periodic boundary value problem for a second-order functional differential equation
   
   Russian Universities Reports. Mathematics, 25:130 (2020),  123–130
3. On the spectral problem and positive solutions for a functional-differential equation of the even order
   
   Tambov University Reports. Series: Natural and Technical Sciences, 23:122 (2018),  154–157
4. On discreteness of spectrum of a second order functional differential operator
   
   Tambov University Reports. Series: Natural and Technical Sciences, 23:121 (2018),  5–9
5. On positivity of the Green function for Poisson problem for a linear functional differential equation
   
   Tambov University Reports. Series: Natural and Technical Sciences, 22:6 (2017),  1229–1234
6. On the Sturm–Liouville problem for a linear singular functional-differential equation
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1996, no. 11,  50–56
7. On eigenfunctions of the Sturm–Liouville problem for a functional-differential equation
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1994, no. 6,  69–74
8. Positive solutions of a two-point boundary value problem for a linear singular functional-differential equation
   
   Differ. Uravn., 24:10 (1988),  1695–1704
9. Positive solutions of linear functional-differential equations
   
   Differ. Uravn., 20:4 (1984),  578–584
10. Über die Erhaltung des Vorzeichens der Wronskischen Determinante des Fundamentalsystems, der Cauchyschen Funktion und der Greenschen Funktion des Zweipunkt-Randwertproblems für eine Gleichung mit retardiertem Argument
    
    Differ. Uravn., 11:10 (1975),  1780–1789
11. A condition for the nonvanishing of the Wronskian of a fundamental system of solutions of a linear differential equation with retarded argument
    
    Differ. Uravn., 10:3 (1974),  426–430
12. On the question of differential inequalities for equations with retarded argument
    
    Differ. Uravn., 9:11 (1973),  1931–1936