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Mertzios, George B.; Corneil, Derek G., A simple polynomial algorithm for the longest path problem on cocomparability graphs, SIAM Journal on Discrete Mathematics, 2012, 26 (3): 940–963, S2CID 4645245, arXiv:1004.4560, doi:10.1137/100793529.
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Uehara, Ryuhei; Valiente, Gabriel, Linear structure of bipartite permutation graphs and the longest path problem, Information Processing Letters, 2007, 103 (2): 71–77, CiteSeerX 10.1.1.101.96, doi:10.1016/j.ipl.2007.02.010.
Mertzios, George B.; Corneil, Derek G., A simple polynomial algorithm for the longest path problem on cocomparability graphs, SIAM Journal on Discrete Mathematics, 2012, 26 (3): 940–963, S2CID 4645245, arXiv:1004.4560, doi:10.1137/100793529.