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| 2006 | ||
|---|---|---|
| 2 | EE | Carlos Eduardo Ferreira, Fernando M. de Oliveira Filho: Some formulations for the group steiner tree problem. Discrete Applied Mathematics 154(13): 1877-1884 (2006) |
| 2004 | ||
| 1 | EE | Carlos Eduardo Ferreira, Fernando M. de Oliveira Filho: Some Formulations for the Group Steiner Tree Problem. Electronic Notes in Discrete Mathematics 18: 127-132 (2004) |
| 1 | Carlos Eduardo Ferreira | [1] [2] |