Математические и физические науки
| Corporate Author: | |
|---|---|
| Format: | Book |
| Language: | Russian |
| Published: |
София
Болгарской науч. лит.
1984
|
| Subjects: |
| Corporate Author: | |
|---|---|
| Format: | Book |
| Language: | Russian |
| Published: |
София
Болгарской науч. лит.
1984
|
| Subjects: |