The L(2, 1)-labeling and operations of graphs. - Zhendong Shao; Roger K. Yeh (IEEE Trans. Circuits Syst. I Regul. Pap., 2005)

The L(2, 1)-labeling on planar graphs. - Zhendong Shao; Roger K. Yeh (Appl. Math. Lett., 2007)

The L(2, 1)-labeling on the skew and converse skew products of graphs. - Zhendong Shao; Roger K. Yeh; David Zhang 001 (Appl. Math. Lett., 2007)

The L(2, 1)-labeling of K1, n-free graphs and its applications. - Zhendong Shao; Roger K. Yeh; Kin Keung Poon; Wai Chee Shiu (Appl. Math. Lett., 2008)

The L(2, 1)-labeling on graphs and the frequency assignment problem. - Zhendong Shao; Roger K. Yeh; David Zhang 001 (Appl. Math. Lett., 2008)

The L(2, 1)-labeling on Cartesian sum of graphs. - Zhendong Shao; David Zhang 001 (Appl. Math. Lett., 2008)

Improved Bounds on the L(2, 1)-Number of Direct and Strong Products of Graphs. - Zhendong Shao; Sandi Klavzar; Wai Chee Shiu; David Zhang 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2008)

A New Approach to the L(2, 1) -Labeling of Some Products of Graphs. - Wai Chee Shiu; Zhendong Shao; Kin Keung Poon; David Zhang 001 (IEEE Trans. Circuits Syst. II Express Briefs, 2008)

Improved upper bounds on the L(2, 1) -labeling of the skew and converse skew product graphs. - Zhendong Shao; David Zhang 001 (Theor. Comput. Sci., 2008)

L(2, 1)-Labelings on the composition of n graphs. - Zhendong Shao; Roberto Solis-Oba (Theor. Comput. Sci., 2010)

Distance labellings of graphs. - Zhendong Shao; David Zhang (Ars Comb., 2013)

L(2, 1)L(2, 1)-labelings on the modular product of two graphs. - Zhendong Shao; Roberto Solis-Oba (Theor. Comput. Sci., 2013)

On some results for the L(2, 1)-labeling on Cartesian sum graphs. - Zhendong Shao; Roberto Solis-Oba (Ars Comb., 2016)

A New Characterization of Disk Graphs and its Application. - Zhendong Shao; Roberto Solis-Oba (Ars Comb., 2016)

Labeling Dot-Cartesian and Dot-Lexicographic Product Graphs with a Condition at Distance Two. - Zhendong Shao; Igor Averbakh; Sandi Klavzar (Comput. J., 2016)

L(2, 1)-Labeling of Kneser graphs and coloring squares of Kneser graphs. - Zhendong Shao; Igor Averbakh; Roberto Solis-Oba (Discret. Appl. Math., 2017)

The L(j, k)-Edge-Labeling Problem on Graphs. - Zhendong Shao; Igor Averbakh (Ars Comb., 2018)

Labeling Total Graphs with a Condition at Distance Two. - Zhendong Shao; Roberto Solis-Oba (Ars Comb., 2018)

Labeling Mycielski Graphs with a Condition at Distance Two. - Zhendong Shao; Roberto Solis-Oba (Ars Comb., 2018)