1. G. Ausiello, V. Bonifaci, L. Laura, The on-line asymmetric traveling salesman problem, J. Discrete Algorithms, 6, 290-298 (2008).
2. G. Ausiello, M. Demange, L. Laura, V. Paschos, Algorithms for the on-line quota traveling salesman problem, Inf. Processing Letters, 92, 89-94 (2004).
3. N. Christo_des, Worst-case analysis of a new heuristic for the travelling salesman problem, Carnegie Mellon University, Technical Report, CS-93-13 (1976).
4. G. Gutin, A.P. Punnen, The traveling salesman problem and its variations, Kluwer Academic Publishers, Boston (2004).
5. O.C. Ibe, Markov Processes for Stochastic Modeling, Academic Press, Boston (2009).
6. P. Jaillet, X. Lu, Online traveling salesman problems with service exibility, Networks, 58, 137-146 (2011).
7. M.W. Park, Y.D. Kim, A systematic procedure for setting parameters in simulated annealing algorithms, Computers and Operations Res., 25, 207-217 (1998).
8. C.H. Papadimitriouc, J.N. Tsitsiklis, The complexity of Markov chain decision processes, Mathematics of Operation Res., 12, 441-450 (1987).
9. A. Ptrowski, J. Dro, E.P.S. Taillard, Metaheuristics for Hard Optimization, Springer, Heidelberg (2006).
10. G.H. Polychronopoulos, J.N. Tsitsiklis, Stochastic shortest path problems with recourse, Networks, 27, 133-143 (1996).
11. X. Wen, Y. Xu, H. Zhang, Online traveling salesman problem with deadline and advanced information, Computers and Industrial Engineering, 63, 1048-1053 (2012).
12. W. Yu, Z. Liu, X. Bao, Optimal deterministic algorithms for some variants of online quota traveling salesman problem, European J. Operational Res., 238, 735-740 (2014).
13. H. Zhang, W. Tong, Y. Xu, G. Lin, The steiner traveling salesman problem with online edge blockages, European J. Operational Res., 243, 30-40 (2015).