Journal of Mathematical Chemistry · 2006 · 24 citations · 16 references
Mathematical ProgrammingEngineeringGraph TheoryExtremal Polyomino ChainsExtremal Set TheoryCombinatorial Design TheoryExtremal CombinatoricsDiscrete MathematicsCombinatorial Optimization
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Acyclic systems with extremal H�ckel ?-electron energy
İvan Gutman · Theoretical Chemistry Accounts · 1977 · 261 citations
On the theory of the matching polynomial
Chris Godsil, İvan Gutman · Journal of Graph Theory · 1981 · 252 citations