On Codimension-one Foliations of Constant Mean Curvature. Gen-ichi Oshikiri — 1990 Mathematische Zeitschrift
Mean curvature functions of codimension-one foliations. II. Gen-Ichi Oshikiri — 1991 Commentarii mathematici Helvetici
Mean curvature functions of codimension-one foliations. Gen-Ichi Oshikiri — 1990 Commentarii mathematici Helvetici