R. Sato | Ergodic theorems for semigroups of positive operators | 591−606 |

M. Matsuda | Barycenters and extreme points | 607−614 |

A. Haraux | How to differentiate the projection on a convex set in Hilbert space --- Some applications to variational inequalities | 615−631 |

T. Yukami | Transfinite type theory and provability of second order formulas | 633−654 |

T. Watanabe | On Čech homology and a stability theorem in shape theory | 655−664 |

H. Kitada | Scattering theory for Schrödinger operators with long-range potentials, I --- Abstract theory | 665−691 |

Z. Ohmori | On the Schur indices of *GL*(*n*, *q*) and *SL*(2*n*+1, *q*) | 693−707 |

T. Sekiguchi | On projective normality of Abelian varieties, II | 709−727 |

K. Yajima | Scattering theory for Schrödinger equations with potentials periodic in time | 729−743 |

M. Hanazawa | A second order theory of ordinal numbers with Ackermann-type reflection schema | 745−753 |

J. Burbea | The curvatures of the analytic capacity | 755−761 |

J. Tanaka | Real parts of Banach function algebras | 763−769 |

T. Inaba | On stability of proper leaves of codimension one foliations | 771−778 |

M. Nakai | Malformed subregions of Riemann surfaces | 779−782 |

J. Morrow and H. Rossi | Correction to : "Some theorems of algebraicity for complex spaces" (J. Math. Soc. Japan, **27** (1975), no. 2, 167−183) | 783 |