Relaxed graceful labellings of trees.
Van Bussel, Frank (2002)
The Electronic Journal of Combinatorics [electronic only]
Similarity:
Van Bussel, Frank (2002)
The Electronic Journal of Combinatorics [electronic only]
Similarity:
Grünewald, Stefan, Humphries, Peter J., Semple, Charles (2008)
The Electronic Journal of Combinatorics [electronic only]
Similarity:
Bohdan Zelinka (1978)
Mathematica Slovaca
Similarity:
Hegde, Suresh Manjanath, Shetty, Sudhakar (2002)
Applied Mathematics E-Notes [electronic only]
Similarity:
Bohdan Zelinka (1988)
Czechoslovak Mathematical Journal
Similarity:
Bohdan Zelinka (1994)
Mathematica Bohemica
Similarity:
An extended tree of a graph is a certain analogue of spanning tree. It is defined by means of vertex splitting. The properties of these trees are studied, mainly for complete graphs.