by Tel, Gerard.
by Chaitin, Gregory J.
by Taubenfeld, Gadi.
by Santoro, Nicola.
by Ghosh, Sukumar.
by Ausiello, G | Crescenzi, P | Gambosi, G | Kann, V | Marchetti-Spaccamela, A | Protasi, M.
by Denning, Peter J | Tedre, Matti.
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