1 |
|
Boundary Value Problems 2021 (2021) 1-25
|
2 |
|
Advances in Difference Equations 2020 (2020) 1-18
|
3 |
|
Advances in Differential Equations 2018:135 (2018) 2018:135
|
4 |
|
Scientific Bulletin - "politehnica" University Of Bucharest. Series A, Applied Mathematics And Physics 79 (2017) 109-118
|