Rendiconti del Circolo Matematico di Palermo

, Volume 9, Issue 2, pp 161–168

Some properties of line digraphs

  • Frank Harary
  • Robert Z. Norman
Article

DOI: 10.1007/BF02854581

Cite this article as:
Harary, F. & Norman, R.Z. Rend. Circ. Mat. Palermo (1960) 9: 161. doi:10.1007/BF02854581

Copyright information

© Springer 1960

Authors and Affiliations

  • Frank Harary
    • 1
    • 2
  • Robert Z. Norman
    • 1
    • 2
  1. 1.Ann ArborU. S. A.
  2. 2.HanoverU. S. A.