Full Citation:
de Haan, Ronald, Kanj, Iyad, Szeider, Stefan. On the parameterized complexity of finding small unsatisfiable subsets of CNF formulas and CSP instances. ACM Transactions on Computational Logic, volume 18, number 3, pages Art. 21, 46, 2017.
Stefan Szeider is a Professor at the Algorithms and Complexity Group.