| Title: | Approximate differential and Federer normal (English) | 
| Author: | Matyska, Jiří | 
| Language: | English | 
| Journal: | Czechoslovak Mathematical Journal | 
| ISSN: | 0011-4642 (print) | 
| ISSN: | 1572-9141 (online) | 
| Volume: | 17 | 
| Issue: | 1 | 
| Year: | 1967 | 
| Pages: | 97-107 | 
| Summary lang: | Russian | 
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| Category: | math | 
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| MSC: | 26.40 | 
| idZBL: | Zbl 0162.07601 | 
| idMR: | MR0207926 | 
| DOI: | 10.21136/CMJ.1967.100764 | 
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| Date available: | 2008-06-09T13:32:02Z | 
| Last updated: | 2020-07-28 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/100764 | 
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| Reference: | [1] S. Saks: Theory of the integral.New York 1937. Zbl 0017.30004 | 
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