TY  - JOUR
AU  - T. Urabe
TI  - Elementary transformations of Dynkin graphs and singularities on quartic surfaces.
JO  - Inventiones mathematicae
PY  - 1987
SP  - 549
EP  - 572
VL  - 87
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1987__87_143435/
ID  - IM_1987__87_143435
ER  -