25. Factor groups
Foundations of the Theory of Groupoids and Groups, GDML_Books, (1974), p. 187-191 / Harvested from
Access to full text
Full (PDF) 
@inbook{401564,
     title = {25. Factor groups},
     booktitle = {Foundations of the Theory of Groupoids and Groups},
     series = {GDML\_Books},
     publisher = {VEB Deutscher Verlag der Wissenschaften},
     address = {Berlin},
     year = {1974},
     pages = {187-191},
     url = {http://dml.mathdoc.fr/item/401564}
}

 (éd.). 25. Factor groups, dans Foundations of the Theory of Groupoids and Groups, GDML_Books,  (1974), pp. 187-191. http://gdmltest.u-ga.fr/item/401564/