@Article{NM-14-67, author = {M. He and Michael K. Ng}, title = {Toeplitz and positive semidefinite completion problem for cycle graph}, journal = {Numerical Mathematics, a Journal of Chinese Universities}, year = {2015}, volume = {14}, number = {1}, pages = {67--78}, abstract = {}, issn = {}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/nm/10089.html} }