Feng Tian, Wenan Zang The maximum number of diagonals of a cycle in a block and its extremal graphs. [Citation Graph (0, 0)][DBLP] Discrete Mathematics, 1991, v:89, n:1, pp:51-63 [Journal]

Shaoji Xu Relations between parameters of a graph. [Citation Graph (0, 0)][DBLP] Discrete Mathematics, 1991, v:89, n:1, pp:65-88 [Journal]

Siming Zhan On hamiltonian line graphs and connectivity. [Citation Graph (0, 0)][DBLP] Discrete Mathematics, 1991, v:89, n:1, pp:89-95 [Journal]