| Title: | Ještě k řešení rovnice $x^4-y^4=z^4-u^4$ celými čísly (Czech) | 
| Title: | Again on the solution of the equation $x\sp 4-y\sp 4=z\sp 4-u\sp 4$ in integers (English) | 
| Author: | Hlaváček, Miroslav | 
| Language: | Czech | 
| Journal: | Časopis pro pěstování matematiky a fysiky | 
| ISSN: | 1802-114X (printed edition, 1872-1950) | 
| Volume: | 73 | 
| Issue: | 4 | 
| Year: | 1948 | 
| Pages: | D43-D46 | 
| . | 
| Category: | math | 
| . | 
| idMR: | MR0029392 | 
| DOI: | 10.21136/CPMF.1948.122809 | 
| . | 
| Date available: | 2009-09-23T16:29:01Z | 
| Last updated: | 2020-07-29 | 
| Stable URL: | http://hdl.handle.net/10338.dmlcz/122809 | 
| . |