@article{JRAM_1990__407_153230,
     author = {Usha Bhosle},
     title = {Pencils of quadrics and hyperelliptic curves in characteristic two.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {75--98},
     year = {1990},
     volume = {407},
     zbl = {0693.14015},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1990__407_153230/}
}