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Publications in Math-Net.Ru |
Citations |
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2023 |
| 1. |
A. D. Ushkho, D. S. Ushkho, “Investigation in general of the behaviour of the trajectories of a predator – prey system”, Journal of the Belarusian State University. Mathematics and Informatics, 1 (2023), 20–30   |
| 2. |
A. D. Ushkho, V. B. Tlyachev, D. S. Ushkho, “On an exact estimate of the number of real invariant lines of polynomial vector fields of degree $n$”, Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 225 (2023), 123–133 |
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2021 |
| 3. |
V. B. Tlyachev, A. D. Ushkho, D. S. Ushkho, “On periodic solutions of Rayleigh equation”, Izv. Saratov Univ. Math. Mech. Inform., 21:2 (2021), 173–181  |
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2015 |
| 4. |
V. B. Tlyachev, A. D. Ushkho, D. S. Ushkho, “An estimate from above of the number of invariant straight lines of $n$-th degree polynomial vector field”, Izv. Saratov Univ. Math. Mech. Inform., 15:2 (2015), 171–179 |
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2010 |
| 5. |
V. B. Tlyachev, A. D. Ushkho, D. S. Ushkho, “Symmetry axes of planar polynomial differential systems”, Izv. Saratov Univ. Math. Mech. Inform., 10:2 (2010), 41–49 |
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1995 |
| 6. |
R. M. Teshev, D. S. Ushkho, “On limit cycles and separatrices of a quadratic system”, Differ. Uravn., 31:6 (1995), 1096–1097 ; Differ. Equ., 31:6 (1995), 1030–1032 |
| 7. |
D. S. Ushkho, “On the coexistence of limit cycles and singular points of “center” type of cubic differential systems”, Differ. Uravn., 31:1 (1995), 173–174 ; Differ. Equ., 31:1 (1995), 163–164 |
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1993 |
| 8. |
D. S. Ushkho, “On the number of singular points of the second group of a cubic system”, Differ. Uravn., 29:2 (1993), 240–245 ; Differ. Equ., 29:2 (1993), 194–197 |
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1991 |
| 9. |
D. S. Ushkho, “Limit cycles of an autonomous system with algebraic right-hand sides”, Differ. Uravn., 27:11 (1991), 1915–1925  ; Differ. Equ., 27:11 (1991), 1357–1365 |
| 10. |
D. S. Ushkho, I. V. Chaika, “Limit cycles of an autonomous system with algebraic right-hand sides”, Differ. Uravn., 27:3 (1991), 544–546 |
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1984 |
| 11. |
D. S. Ushkho, “Qualitative investigation of a system with three centers”, Differ. Uravn., 20:5 (1984), 797–801 |
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