TY  - JOUR
AU  - Frederick W. Call
TI  - A Theorem of Grothendieck Using Picard Groups for the Algebraist.
JO  - Mathematica Scandinavica
PY  - 1994
SP  - 161
EP  - 183
VL  - 74
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1994__74_1_167288/
ID  - MS2_1994__74_1_167288
ER  -