TY  - JOUR
AU  - Lanteri, Antonio
TI  - Vertically of (-1)-Lines in Scrolls Over Smooth Surfaces
JO  - Canadian mathematical bulletin
PY  - 1991
SP  - 236
EP  - 239
VL  - 34
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-038-3/
DO  - 10.4153/CMB-1991-038-3
ID  - 10_4153_CMB_1991_038_3
ER  -