On an Invariant Defined by Using Theory

  • Nobuaki Yagita

    Ibaraki University, Japan

Cite this article

Nobuaki Yagita, On an Invariant Defined by Using Theory. Publ. Res. Inst. Math. Sci. 14 (1978), no. 2, pp. 327–335

DOI 10.2977/PRIMS/1195189067