References

GENERAL -PATH SUM-CONNECTIVITY INDICES OF TWO CLASSES OF GRAPHS


[1] J. A. Bondy and U. S. R. Murty, Graph Theory with Applications, MacMillan, New York, NY, 1976.

[2] L. B. Kier and L. H. Hall, Molecular Connectivity in Chemistry and Drug Research, Academic Press, New York, 1976.