TY  - JOUR
AU  - Tadashi Ashikaga
TI  - A remark on the geography of surfaces with birational canonical morphisms.
JO  - Mathematische Annalen
PY  - 1991
SP  - 63
EP  - 76
VL  - 290
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1991__290_4_164811/
ID  - MAN_1991__290_4_164811
ER  -