Zhicheng Gao, R. Bruce Richter, Xingxing Yu. 2-walks in 3-connected planar graphs. Australasian J. Combinatorics, 11:117-122, 1995. [doi]
@article{GaoRY95, title = {2-walks in 3-connected planar graphs}, author = {Zhicheng Gao and R. Bruce Richter and Xingxing Yu}, year = {1995}, url = {http://ajc.maths.uq.edu.au/pdf/11/ocr-ajc-v11-p117.pdf}, researchr = {https://researchr.org/publication/GaoRY95}, cites = {0}, citedby = {0}, journal = {Australasian J. Combinatorics}, volume = {11}, pages = {117-122}, }