@article{GDZPPN002112647,
title = {The number of critical points of a product of powers of linear functions.},
journal = {Inventiones mathematicae},
volume = {121},
year = {1995},
pages = {1-14},
zbl = {0934.32020},
url = {http://dml.mathdoc.fr/item/GDZPPN002112647}
}
Orlik, Peter; Teralo, Hiroaki. The number of critical points of a product of powers of linear functions.. Inventiones mathematicae, Tome 121 (1995) pp. 1-14. http://gdmltest.u-ga.fr/item/GDZPPN002112647/