@article{1102959813,
author = {Williamson, Jack},
title = {Meromorphic functions with negative zeros and positive poles and a theorem of Teichmuller.},
journal = {Pacific J. Math.},
volume = {43},
number = {3},
year = {1972},
pages = { 795-810},
language = {en},
url = {http://dml.mathdoc.fr/item/1102959813}
}
Williamson, Jack. Meromorphic functions with negative zeros and positive poles and a theorem of Teichmuller.. Pacific J. Math., Tome 43 (1972) no. 3, pp. 795-810. http://gdmltest.u-ga.fr/item/1102959813/