Richard H. Schelp, Kiyoshi Yoshimoto. An Extremal Problem Resulting in Many Paths. Ars Comb., 116:23-32, 2014.
@article{SchelpY14, title = {An Extremal Problem Resulting in Many Paths}, author = {Richard H. Schelp and Kiyoshi Yoshimoto}, year = {2014}, researchr = {https://researchr.org/publication/SchelpY14}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {116}, pages = {23-32}, }