J. Sci. Hiroshima Univ. Ser. A-I Math.

Volume 34 (1970) [2]
Volume 33 (1969) [1]
Volume 32 (1968) [2]
Volume 31 (1967) [2]
Volume 30 (1966) [2]
Volume 29 (1965) [2]
Volume 28 (1964) [2]
Volume 27 (1963) [2]
Volume 26 (1962) [2]
Volume 25 (1961) [2]