00613nam0 2200217 450 00001134520180516151915.020080516d1958----km-y0itay50------baengUSy-------001-yComputability & unsolvabilityNew York [etc.]McGraw-Hill1958XXV, 210 p.21 cm517.520Davis,Martin<1928- >51851ITUNIPARTHENOPE20080516RICAUNIMARC000011345517.5/10213694PISTComputability & Unsolvability338078UNIPARTHENOPE