TY  - JOUR
AU  - Sun Xia Talo
TI  - Algebraic surfaces whose canonical image has a pencil of rational curves of degree two.
JO  - Mathematische Zeitschrift
PY  - 1992
SP  - 67
EP  - 74
VL  - 209
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1992__209_2_174351/
ID  - MZ_1992__209_2_174351
ER  -