TY - DATA AU - Ernst W. Mayr, Hans Jürgen Prömel, Angelika Steger TI - Lectures on Proof Verification and Approximation Algorithms SN - 9783540697015 PY - 1998/// PB - Springer Berlin Heidelberg KW - Computer Science UR - https://doi.org/10.1007/BFb0053010 ER -