@article{1183425418,
author = {Linfield, Ben-Zion},
title = {On the relation of the roots and poles of a rational function to the roots of its derivative},
journal = {Bull. Amer. Math. Soc.},
volume = {27},
number = {3},
year = {1920},
pages = { 17-21},
language = {en},
url = {http://dml.mathdoc.fr/item/1183425418}
}
Linfield, Ben-Zion. On the relation of the roots and poles of a rational function to the roots of its derivative. Bull. Amer. Math. Soc., Tome 27 (1920) no. 3, pp. 17-21. http://gdmltest.u-ga.fr/item/1183425418/