%0 Journal Article %A Ibukiyama, Tomoyoshi %A Katsura, Toshiyuki %A Oort, Frans %T Supersingular curves of genus two and class numbers %J Compositio Mathematica %D 1986 %P 127-152 %V 57 %N 2 %I Martinus Nijhoff Publishers %G en %F CM_1986__57_2_127_0