@article{JRAM_1989__398_153148,
     author = {S. Ramanan and M.S. Narasimhan and A. Beauville},
     title = {Spectral curves and the generalised theta divisor.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {169--179},
     publisher = {mathdoc},
     volume = {398},
     year = {1989},
     zbl = {0666.14015},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1989__398_153148/}
}