| [1], [2], [3], [4], [6], [8], [15],
[20], [39], The papers with a significant impact; open a new direction of ODE: |
||
| [1] | 1960; | |
| [4] | 1963. | |
|
|
||
|
[H] ODE and Differential Operators |
| [1], [2], [3], [4], [6], [8], [15],
[20], [39], The papers with a significant impact; open a new direction of ODE: |
||
| [1] | 1960; | |
| [4] | 1963. | |
|
|
||
