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 year         = {1973},
 title        = {{On non-serial dynamic programming}},
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@inproceedings(gajarskyLO13,
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 author       = {Ton Kloks},
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 title        = {Treewidth, Computations and Approximations},
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 pages        = {19--37},
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@book(nesetrildM12,
 author       = {Jaroslav Nesetril and Patrice~Ossona de~Mendez},
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 title        = {Sparsity - Graphs, Structures, and Algorithms},
 series       = {Algorithms and combinatorics},
 volume       = {28},
 publisher    = {Springer},
 doi          = {10.1007/978-3-642-27875-4},
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