1. Complexity of finding embeddings in a k-tree;Arnborg;SIAM J. Algebraic Discrete Methods,1987
2. Prize-collecting Steiner problems on planar graphs;Bateni,2011
3. Approximation schemes for Steiner forest on planar graphs and graphs of bounded treewidth;Bateni,2010
4. Improved bounds on Bell numbers and on moments of sums of random variables;Berend;Probability and Mathematical Statistics,2010