@article{GDZPPN002106620,
title = {Apolarity and its applications.},
journal = {Inventiones mathematicae},
volume = {96},
year = {1989},
pages = {433-444},
zbl = {0709.14027},
url = {http://dml.mathdoc.fr/item/GDZPPN002106620}
}
Shepherd-Barron, N.I. Apolarity and its applications.. Inventiones mathematicae, Tome 96 (1989) pp. 433-444. http://gdmltest.u-ga.fr/item/GDZPPN002106620/