Deformations of theta divisors and the rank 4 quadrics problem
Smith, Roy ; Varley, Robert
Compositio Mathematica, Tome 76 (1990), p. 367-398 / Harvested from Numdam
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@article{CM_1990__76_3_367_0,
     author = {Smith, Roy and Varley, Robert},
     title = {Deformations of theta divisors and the rank $4$ quadrics problem},
     journal = {Compositio Mathematica},
     volume = {76},
     year = {1990},
     pages = {367-398},
     mrnumber = {1080008},
     zbl = {0745.14012},
     language = {en},
     url = {http://dml.mathdoc.fr/item/CM_1990__76_3_367_0}
}

Smith, Roy; Varley, Robert. Deformations of theta divisors and the rank $4$ quadrics problem. Compositio Mathematica, Tome 76 (1990) pp. 367-398. http://gdmltest.u-ga.fr/item/CM_1990__76_3_367_0/

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