王文环,上海大学理学院讲师. 图论及其应用.图论及其应用1. W. H. Wang*, "Ordering of Hückel trees according to minimal energies", Linear Algebra and its Applications, Vol. 430, Nos. 2-3, pp. 703-717, Elsevier, Jan. 2009. 2. W. H. Wang* & L. Y. Kang, "Ordering of the trees with a perfect matching by minimal energies", Linear Algebra and its Applications, Vol. 431, Nos. 5-7, pp. 946-961, Elsevier, Aug. 2009.3. W. H. Wang* & L. Y. Kang, "Ordering of the trees by minimal energies", Journal of Mathematical Chemistry, Vol. 47, No. 3, pp. 937-958, Springer Science+Business Media, Mar. 2010.4. W. H. Wang*, "Ordering of unicyclic graphs with perfect matching by minimal energies", MATCH-Communications in Mathematical and in Computer Chemistry, Vol. 66, No. 3, pp. 927-942, Dec. 2011.5. W. H. Wang*, "Ordering of Hosoya indices for unicyclic Hückel graphs", Mathematical and Computer Modelling, Vol. 55, Nos. 1-2, pp. 929-938, Elsevier, Feb. 2012.