Oriented graphs with prescribed m -center and m -median Gary Chartrand; Song Lin Tian — 1991 Czechoslovak Mathematical Journal
Randomly complete n -partite graphs Yousef Alavi; Don R. Lick; Song Lin Tian — 1989 Mathematica Slovaca
Steiner distance in graphs Gary Chartrand; Ortrud R. Oellermann; Song Lin Tian; Hung Bin Zou — 1989 Časopis pro pěstování matematiky