00965nam0-22003371i-450-9900013297204033210-521-45740-8000132972FED01000132972(Aleph)000132972FED0100013297220000920d1993----km-y0itay50------baengComplexityKnots, coulorings and coutingD. J. A. Welsh.Cambridge (NY)Cambridge University Pressc1993.viii, 163 p.24 cmLondon Mathematical Society lecture note series186Teoria dei nodiTeoria della computazione514.224Welsh,Dominic James Anthony<1938- >368334ITUNINARICAUNIMARCBK990001329720403321C-9-(18611313MA1MA168Q2505C15Complexity376412UNINAING01