| Title: | Studie ze základů geometrie. I. (Útvary neorientované) (Czech) | 
| Title: | A study of foundations of geometry. I. (Non-orientated figures) (English) | 
| Title: | Une étude des fondements de la géométrie. I. (Les figures non orientées) (French) | 
| Author: | Gruber, Boris | 
| Language: | Czech | 
| Journal: | Časopis pro pěstování matematiky | 
| ISSN: | 0528-2195 | 
| Volume: | 82 | 
| Issue: | 1 | 
| Year: | 1957 | 
| Pages: | 1-23 | 
| Summary lang: | French | 
| Summary lang: | Russian | 
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| Category: | math | 
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| MSC: | 50-0X | 
| idZBL: | Zbl 0105.13204 | 
| idMR: | MR0089418 | 
| DOI: | 10.21136/CPM.1957.117229 | 
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| Date available: | 2009-09-23T06:49:16Z | 
| Last updated: | 2020-07-28 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/117229 | 
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