| Title:
             | 
On $x$-operators in an arbitrary semigroup (English) | 
| Author:
             | 
Pilecka-Oborska, Barbara | 
| Author:
             | 
Serafin, Stanisław | 
| Language:
             | 
English | 
| Journal:
             | 
Archivum Mathematicum | 
| ISSN:
             | 
0044-8753 (print) | 
| ISSN:
             | 
1212-5059 (online) | 
| Volume:
             | 
21 | 
| Issue:
             | 
1 | 
| Year:
             | 
1985 | 
| Pages:
             | 
13-22 | 
| . | 
| Category:
             | 
math | 
| . | 
| Keyword:
             | 
general closure operator; closure operator; modification of a closure operator; semigroup; left (right) partial x-operator in a semigroup; partial x-operator in a semigroup; x-extension (left, right) of a partial x-operator (left, right) | 
| MSC:
             | 
06A15 | 
| MSC:
             | 
20M12 | 
| idZBL:
             | 
Zbl 0581.20061 | 
| idMR:
             | 
MR818303 | 
| . | 
| Date available:
             | 
2008-06-06T06:14:14Z | 
| Last updated:
             | 
2012-05-09 | 
| Stable URL:
             | 
http://hdl.handle.net/10338.dmlcz/107211 | 
| . | 
| Reference:
             | 
[1] L. Skula: On extensions of partial x-operators.Czechoslovak Mathematical Journal, 26 (191) 1976, Praha, (p. 477-505). MR 0414765 | 
| . |