1. O. V. Borodin, H. J. Broersma, A. N. Glebov, and J. van den Heuvel, “Structure of Planar Triangulations in Terms of Clusters and Stars,” Diskret. Anal. Issled. Oper. Ser. 1, 8(2), 15–39 (2001).
2. O. V. Borodin, H. J. Broersma, A. N. Glebov, and J. van den Heuvel, “Minimal Degrees and Chromatic Numbers of Squares of Planar Graphs,” Diskret. Anal. Issled. Oper. Ser. 1, 8(4), 9–33 (2001).
3. O. V. Borodin, A. O. Ivanova, and T. K. Neustroeva, “2-DistanceColoring of Sparse PlanarGraphs,” Siberian Electronic Math. Reports 1, 76–90 (2004) [ http://semr.math.nsc.ru ].
4. O. V. Borodin, A. O. Ivanova, and T. K. Neustroeva, “Sufficient Conditions for 2-Distance (Δ+1)-Colorability of Planar Graphs with Girth 6,” Diskret. Anal. Issled. Oper. Ser. 1, 12(3), 32–47 (2005).
5. O. V. Borodin, A. O. Ivanova, and T. K. Neustroeva, “Sufficient Conditions for Minimal 2-Distance Colorability of Planar Graphs with Girth Six,” Siberian Electronic Math. Reports 3, 441–450 (2006) [ http://semr.math.nsc.ru ].