On the number of $1 - 1$ directly conformal maps which a multiply-connected plane region of finite connectivity $p\left( { > 2} \right)$ admits onto itself
@article{1183509402,
author = {Heins, Maurice},
title = {On the number of $1 - 1$ directly conformal maps which a multiply-connected plane region of finite connectivity $p\left( { > 2} \right)$ admits onto itself},
journal = {Bull. Amer. Math. Soc.},
volume = {52},
number = {12},
year = {1946},
pages = { 454-457},
language = {en},
url = {http://dml.mathdoc.fr/item/1183509402}
}
Heins, Maurice. On the number of $1 - 1$ directly conformal maps which a multiply-connected plane region of finite connectivity $p\left( { > 2} \right)$ admits onto itself. Bull. Amer. Math. Soc., Tome 52 (1946) no. 12, pp. 454-457. http://gdmltest.u-ga.fr/item/1183509402/