Estrada, E.; Rodriguez, L.; Gutierrez, A. Matrix Algebraic Manipulations of Molecular Graphs. 1. Graph Theoretical Invariants Based on Distances and Adjacency Matrices. Communications in Mathematical Chemistry (MATCH) 35, 1997, 145-156.

Estrada, E.; Rodriguez, L.; Gutierrez, A. Matrix Algebraic Manipulations of Molecular Graphs. 1. Graph Theoretical Invariants Based on Distances and Adjacency Matrices. Communications in Mathematical Chemistry (MATCH) 35, 1997, 145-156.