| 1 | study of a pair of mixed linear singular ordinary differential operators |
| 2 | |
| Language: | English |
| 3 | |
| 4 | Global LP-approximation by linear combinations of certain linear positive operation |
| Language: | English |
| 5 | |
| 6 | Global Lp-approximation by linear combinations of certain linear positive operation |
| Language: | English |
| 7 |