TY  - JOUR
AU  - M. M. Grinenko
TI  - Birational properties of pencils of del Pezzo surfaces of degrees 1 and~2
JO  - Sbornik. Mathematics
PY  - 2000
SP  - 633
EP  - 653
VL  - 191
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2000_191_5_a1/
LA  - en
ID  - SM_2000_191_5_a1
ER  -