Cohen, Daniel E.. "Ends and Free Products of Groups.." Mathematische Zeitschrift 114 (1970): 9-18. <http://eudml.org/doc/171291>.
@article{Cohen1970, author = {Cohen, Daniel E.}, journal = {Mathematische Zeitschrift}, keywords = {group theory}, pages = {9-18}, title = {Ends and Free Products of Groups.}, url = {http://eudml.org/doc/171291}, volume = {114}, year = {1970}, }
TY - JOUR AU - Cohen, Daniel E. TI - Ends and Free Products of Groups. JO - Mathematische Zeitschrift PY - 1970 VL - 114 SP - 9 EP - 18 KW - group theory UR - http://eudml.org/doc/171291 ER -