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- The transvectants and the integrals for Darboux systems of differential equations.
- Open problems on the algebraic limit cycles of planar polynomial vector fields.
**Integrals and phase portraits of planar quadratic differential systems with invariant lines of total multiplicity four.**- Global Attractors of Quasi-Linear Non-Autonomous Difference Equations.
- Determinantal Analysis of the Polynomial Integrability of Differential Systems.
- Orthogonal Solutions for a Hyperbolic System.
- Two problems from the qualitative theory of Hamiltonian systems (in Russian).
- n-Homogeneous dynamical systems and n-ary algebras.
- Attractors in affine differential systems with impulsive control.
- On theory of surfaces defined by the first order systems of equations.
- Regular maps and quasilinear total differential equations.
- Singularly perturbed Cauchy problem for abstract linear differential equations of second order in Hilbert spaces.