M. Nakao | Bounded, periodic and almost periodic classical solutions of some nonlinear wave equations with a dissipative term | 375−394 |

M.-C. Liu | Approximation by a sum of polynomials involving primes | 395−412 |

M. Hanazawa | A theory of ordinal numbers with Ackermann's schema | 413−432 |

M. Takahashi | The ordinary *Z*^{2}-homology theory and singular bordism theories | 433−446 |

M. Matsuda | Algebraic differential equations of the first order free from parametric singularities from the differential-algebraic standpoint | 447−455 |

K. W. Bauer | On a differential equation in the theory of pseudo-holomorphic functions | 457−461 |

T. Okuyama and T. Yoshida | A characterization of the Rudvalis group | 463−474 |

J. Tanaka | Some remarks on simply invariant subspaces on compact abelian groups | 475−482 |

K. Kishi | The maximal ideal space of certain algebra *H*^{{\infty }}(*m*) | 483−493 |

S. Imai and H. Takai | On a duality for *C*^{*}-crossed products by a locally compact group | 495−504 |

G. Karpilovsky | On representations of finite groups over skewfields | 505−508 |

S. Tanno | Some differential equations on Riemannian manifolds | 509−531 |

M. Maeda | Volume estimate of submanifolds in compact Riemannian manifolds | 533−551 |

K. Yoshida | Sur le problème de Cauchy pour des équations faiblement hyperboliques | 553−570 |

M. Freeman | Integration of analytic differential systems with singularities and some applications to real submanifolds of *C*^{n} | 571−578 |