1. Optimal Interconnection Trees in the Plane, vol. 29;Brazil,2015
2. Generalised k-Steiner tree problems in normed planes;Brazil;Algorithmica,2015
3. On the theory of the analytical forms called trees;Cayley Esq XXVIII;Philos. Mag.,1857
4. Œuvres de Fermat: ptie. Œuvres mathématiques diverses. 2 ptie. Observations sur Diophante, vol. 1;de Fermat,1891
5. The 1-Steiner tree problem;Georgakopoulos;J. Algorithms,1987