Free Access
RAIRO-Theor. Inf. Appl.
Volume 20, Number 1, 1986
Page(s) 79 - 87
Published online 01 February 2017
  1. 1. M. R. GAREY and D. S. JOHNSON, Computers and Intractability: A Guide to the Theory of NP-Completeness, W. H. Freeman and co., San Francisco, 1979. [MR: 519066] [Zbl: 0411.68039]
  2. 2. S. SAHNI and T. GONZALES, P-Complete Approximation Problems, J. Assoc. Comput. Mach., Vol. 23, 1976, pp. 555-565. [MR: 408313] [Zbl: 0348.90152]

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