Authors: Guttmann-Beck, N Hassin, R Khuller, S Raghavachari, B

Citation: N. Guttmann-beck et al., Approximation algorithms with bounded performance guarantees for the clustered traveling salesman problem, ALGORITHMIC, 28(4), 2000, pp. 422-437

Authors: Raghavachari, B Veerasamy, J

Citation: B. Raghavachari et J. Veerasamy, A 3/2-approximation algorithm for the mixed postman problem, SIAM J DISC, 12(4), 1999, pp. 425-433