2025.

2. A. Aksentijević, S. Aleksić and S. Pilipović, Shift-invariant subspaces of Sobolev spaces and shift-preserving operators, Analysis, Approximation, Optimization: Computation and Applications, Springer Optimization and its Applications series, pages 31 (to appear), 2025.

2024.

1. A. Aksentijević, S. Aleksić and S. Pilipović, The structure of shift-invariant subspaces of Sobolev spaces, Theor Math Phys 218, 177-191 (2024). DOI: 10.1134/S0040577924020016 (ISSN 0040-5779, M23, IF2023=1.0, Category: Physics, Mathematical), DOI2: https://doi.org/10.4213/tmf10529.

3. A. Aksentijević, S. Aleksić and S. Pilipović, On the product of periodic distributions. Product in shift-invariant spaces, Filomat 38, 8011-8021 (2024) DOI: 10.2298/FIL2423011A (ISSN 0354-5180, M22, IF2023=0.8, Category: Mathematics).

4. A. Aksentijević and S. Aleksić, Shift-invariant subspaces of Sobolev type, is posted on arXiv.