TY  - JOUR
AU  - Smith, Roy
AU  - Varley, Robert
TI  - Deformations of theta divisors and the rank $4$ quadrics problem
JO  - Compositio Mathematica
PY  - 1990
SP  - 367
EP  - 398
VL  - 76
IS  - 3
PB  - Kluwer Academic Publishers
UR  - http://archive.numdam.org/item/CM_1990__76_3_367_0/
LA  - en
ID  - CM_1990__76_3_367_0
ER  -