@article{CM_1986__57_2_127_0, author = {Ibukiyama, Tomoyoshi and Katsura, Toshiyuki and Oort, Frans}, title = {Supersingular curves of genus two and class numbers}, journal = {Compositio Mathematica}, pages = {127--152}, publisher = {Martinus Nijhoff Publishers}, volume = {57}, number = {2}, year = {1986}, zbl = {0589.14028}, mrnumber = {827350}, language = {en}, url = {http://archive.numdam.org/item/CM_1986__57_2_127_0/} }