| 1 |
|
Kyungpook Mathematical Journal 59 (2019) 215-224
|
| 2 |
|
Kyungpook Mathematical Journal 59 (2019) 215-224
|
| 3 |
|
Acta Universitatis Apulensis 47 (2016) 117-132
|
| 4 |
|
Bulletin of the Iranian Mathematical Society 42 (2016) 521-537
|
| 5 |
|
Bulletin of the Iranian Mathematical Society 42 (2015) 521-537
|