TY  - JOUR
AU  - N.I. Shepherd-Barron
TI  - Apolarity and its applications.
JO  - Inventiones mathematicae
PY  - 1989
SP  - 433
EP  - 444
VL  - 97
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1989__97_2_143709/
ID  - IM_1989__97_2_143709
ER  -