Nabil Shalaby, Jianxing Yin. Nested Optimal -Packings and -Coverings of Pairs with Triples. Des. Codes Cryptography, 15(3):271-278, 1998.
@article{ShalabyY98, title = {Nested Optimal -Packings and -Coverings of Pairs with Triples}, author = {Nabil Shalaby and Jianxing Yin}, year = {1998}, researchr = {https://researchr.org/publication/ShalabyY98}, cites = {0}, citedby = {0}, journal = {Des. Codes Cryptography}, volume = {15}, number = {3}, pages = {271-278}, }