Implementation of the Iterative Relaxation Algorithm for the Minimum Bounded-Degree Spanning Tree Problem. - Attila Bernáth; Krzysztof Ciebiera; Piotr Godlewski; Piotr Sankowski (SEA, 2014)

Approximation Algorithms for Steiner Tree Problems Based on Universal Solution Frameworks. - Krzysztof Ciebiera; Piotr Godlewski; Piotr Sankowski; Piotr Wygocki (CoRR, 2014)