@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},
     mrnumber = {827350},
     zbl = {0589.14028},
     language = {en},
     url = {http://www.numdam.org/item/CM_1986__57_2_127_0/}
}