大塚富美子
“Total curvature of noncompact piecewise Riemannian 2―polyhedra”. Thukuba J. Math. 29: 471-493. doi:10.21099/tkbjm/1496164966.
Ohtuka, Fumiko (2004). Structure of flat piecewise Riemannian 2―polyhedra. 36. pp. 57-64.
Machigashira, Yoshiroh; Ohtuka, Fumiko (2001). “Total excess on length surface”. Mathematische Annalen 319: 675-706.
Kawamura, Kazuhiro; Ohtuka, Fumiko (1999). “Total excess and Tits metric for piecewise Riemannian 2―manifolds”. Topology and its Applications 94: 173-193.
Kawamura, Kazuhiro; Ohtuka, Fumiko (1998). “The existence of a straight line of piecewise Riemannian 2―manifolds”. Note di Mathematica 18: 119-130.
Ohtuka, Fumiko (1996). “Haussdorff approximations on Hadamard manifolds and their ideal boundaries”.