TY - JOUR T1 - Parameterized approximation algorithms for bidirected Steiner network problems JO - ACM Transactions on Algorithms UR - https://eprints.whiterose.ac.uk/id/eprint/200944 PY - 2021/04/19 AU - Chitnis R AU - Feldmann AE AU - Manurangsi P ED - DO - DOI: 10.1145/3447584 PB - Association for Computing Machinery (ACM) VL - 17 IS - 2 SP - 1 EP - 68 Y2 - 2025/12/07 ER -