Problemy
3 issues
| Date | Title |
|---|---|
| January 1975 | Problemy, # 346 January 1975 |
| August 1977 | Problemy, # 377 August 1977 |
| July 1981 | Problemy, # 424-425 July-August 1981 |
3 issues
| Date | Title |
|---|---|
| January 1975 | Problemy, # 346 January 1975 |
| August 1977 | Problemy, # 377 August 1977 |
| July 1981 | Problemy, # 424-425 July-August 1981 |