- Publication venue
- 'Institute of Mathematics, Czech Academy of Sciences'
- Publication date
- 01/01/1980
- Field of study
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- Publication venue
- Polska Akademia Nauk. Instytut Matematyczny PAN
- Publication date
- 01/01/1982
- Field of study
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- Publication venue
- Mathematical Institute of the Slovak Academy of Sciences
- Publication date
- 01/01/1982
- Field of study
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- Publication venue
- Mathematical Institute of the Slovak Academy of Sciences
- Publication date
- 01/01/1999
- Field of study
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