TY  - JOUR
TI  - Preface
JO  - Compositio Mathematica
PY  - 1990
SP  - vii
EP  - vii
VL  - 76
IS  - 1-2
PB  - Kluwer Academic Publishers
UR  - http://www.numdam.org/item/CM_1990__76_1-2_R7_0/
LA  - en
ID  - CM_1990__76_1-2_R7_0
ER  -