Tham khảo Cây Steiner

  1. ↑ Takahashi, Hiromitsu, and Akira Matsuyama. "An approximate solution for the Steiner problem in graphs." Math. Japonica 24.6 (1980): 573-577.
  2. ↑ “What Is Mathematics? An Elementary Approach to Ideas and Methods: Richard Courant, Herbert Robbins, Ian Stewart: 9780195105193: Amazon.com: Books”. Truy cập 12 tháng 2 năm 2015.
  3. ↑ Garey, Michael R., and David S. Johnson. "The rectilinear Steiner tree problem is NP-complete." SIAM Journal on Applied Mathematics 32.4 (1977): 826-834.
  4. ↑ Steiner, Jennifer G., Clifford Neuman, and Jeffrey I. Schiller. "Kerberos: An authentication service for open network systems." USENIX conference proceedings. Vol. 191. 1988.
  5. ↑ KHOKHANI, K. H.; PATEL, A. M. The chip layout problem: A placement procedure for lsi. In: Proceedings of the 14th Design Automation Conference. IEEE Press, 1977. p. 291-297.