H. V. Chen, Skolem Sequences and Erdosian Labellings of m Paths with 2 and 3 Vertices. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. February 2010, vol. 38(2). 216 - 219 [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/8072.