Limit groups and spaces in regions and open manifolds
Compositio Mathematica, Volume 6 (1939), p. 434-455
@article{CM_1939__6__434_0,
author = {Kaufmann, B.},
title = {Limit groups and spaces in regions and open manifolds},
journal = {Compositio Mathematica},
publisher = {Johnson Reprint Corporation},
volume = {6},
year = {1939},
pages = {434-455},
zbl = {0020.40802},
language = {en},
url = {http://www.numdam.org/item/CM_1939__6__434_0}
}

Kaufmann, B. Limit groups and spaces in regions and open manifolds. Compositio Mathematica, Volume 6 (1939) pp. 434-455. http://www.numdam.org/item/CM_1939__6__434_0/