Kosarev Alexey Pavlovich

Publications in Math-Net.Ru

1. Basis property of eigenfunctions of a boundary value problem for a $2 \times 2$ system of ordinary differential equations
   
   Mat. Zametki, 118:6 (2025),  866–883
2. Asymptotic expansions of solutions to $n \times n$ systems of ordinary differential equations with a large parameter
   
   Mat. Zametki, 116:6 (2024),  923–940
3. Asymptotic representations of solutions of $n\times n$ systems of ordinary differential equations with a large parameter
   
   Mat. Zametki, 116:2 (2024),  266–289
4. Asymptotics in the Spectral Parameter for Solutions of $2 \times 2$ Systems of Ordinary Differential Equations
   
   Mat. Zametki, 114:4 (2023),  543–562
5. Spectral Asymptotics of Solutions of a $2\times 2$ System of First-Order Ordinary Differential Equations
   
   Mat. Zametki, 110:6 (2021),  939–943