1. Generalized multi-protocol label switching (GMPLS) signalling functional description, 2003, IETF RFC 3471.
2. Generalized multi-protocol label switching (GMPLS) architecture, October 2004, IETF RFC 3945.
3. When trees collide: an approximation algorithm for the generalized Steiner problem on networks;Agrawal;SIAM J. Comput.,1995
4. Complexity of finding embeddings in a k-tree;Arnborg;SIAM J. Algebr. Discrete Methods,1987
5. Fourier meets Möbius: fast subset convolution;Björklund,2007