1. COVERING AND PACKING IN GRAPHS, I.
2. Akiyama, J., Exoo, G. and Harary, F. (1980) Covering and Packing in Graphs III: Cyclic and Acyclic Invariants. Mathematica Slovaca, 30, 405-417.
3. Covering and packing in graphs IV: Linear arboricity
4. Tomasta, P. (1982) Note on Linear Arboricity. Mathematica Slovaca, 32, 239-242.
5. The linear arboricity of some regular graphs