Lam, Peter Che Bor; Shiu, Wai Chee; Xu, Baogang On structure of some plane graphs with application to choosability. (English) Zbl 1024.05049 J. Comb. Theory, Ser. B 82, No. 2, 285-296 (2001). MSC: 05C38 05C10 05C75 PDFBibTeX XMLCite \textit{P. C. B. Lam} et al., J. Comb. Theory, Ser. B 82, No. 2, 285--296 (2001; Zbl 1024.05049) Full Text: DOI
Lam, Peter Che Bor; Xu, Baogang; Liu, Jiazhuang The 4-choosability of plane graphs without 4-cycles. (English) Zbl 0931.05036 J. Comb. Theory, Ser. B 76, No. 1, 117-126 (1999). MSC: 05C15 05C10 05C38 PDFBibTeX XMLCite \textit{P. C. B. Lam} et al., J. Comb. Theory, Ser. B 76, No. 1, 117--126 (1999; Zbl 0931.05036) Full Text: DOI