Foundations of the Theory of Groupoids and Groups
Borůvka, Otakar
GDML_Books, (1974), p.
EUDML-ID : urn:eudml:doc:202326 
@book{401381,
     title = {Foundations of the Theory of Groupoids and Groups},
     series = {GDML\_Books},
     publisher = {VEB Deutscher Verlag der Wissenschaften},
     address = {Berlin},
     year = {1974},
     language = {en},
     url = {http://dml.mathdoc.fr/item/401381}
}

Borůvka, Otakar. Foundations of the Theory of Groupoids and Groups. GDML_Books (1974),  http://gdmltest.u-ga.fr/item/401381/

Sommaire

[Title pages] p. [1a]-[4]
Preface to the English edition p. [5]
11. Multiplication in sets p. [90]-94
Author's remark p. [6]
19. Basic concepts relative to groups p. [146]-154
Preface p. [7]-8
Bibliography p. [203]-209
Index p. [211]-215
Contents p. [9]-14
1. Basic concepts p. [15]-21
2. Decompositions (partitions) in sets p. 21-27
3. Decompositions on sets p. 27-34
4. Special decompositions p. 34-41
5. Complementary (commuting) decompositions p. 41-46
6. Mappings of sets p. 46-56
7. Mappings of decompositions p. 56-60
8. Permutations p. 60-69
9. General (multiple-valued) mappings p. 70-74
10. Series of decompositions of sets p. 74-89
12. Basic notions relative to groupoids p. 94-100
13. Homomorphic mappings (deformations) of groupoids p. 101-104
14. Generating decompositions p. 104-109
15. Factoroids p. 109-118
16. Deformations of factoroids p. 118-125
17. Series of factoroids p. 126-131
18. Remarkable kinds of groupoids p. 131-145
20. Cosets of subgroups p. 155-157
21. Decompositions generated by subgroups p. 157-164
22. Consequences of the properties of decompositions generated by subgroups p. 164-169
23. Special decompositions of groups, generated by subgroups p. 169-179
24. Invariant (normal) subgroups p. 180-187
25. Factor groups p. 187-191
26. Deformations and the isomorphism theorems for groups p. 192-197
27. Cyclic groups p. 198-202