Lubachevsky, Boris D. Why hard disks pack easier. (English) Zbl 0922.68005 Freivalds, Rūsiņš (ed.), Randomized algorithms. Proceedings of the international workshop, Brno, Czech Republic, August 27–28, 1998. Trier: Electronic Colloquium on Computational Complexity (ECCC), Lecture Notes Series of ECCC. (1998). MSC: 68M07 68M99 PDFBibTeX XML Full Text: Link
Graham, R. L.; Lubachevsky, B. D.; Nurmela, Kari J.; Östergård, Patric R. J. Dense packings of congruent circles in a circle. (English) Zbl 0901.52017 Discrete Math. 181, No. 1-3, 139-154 (1998). Reviewer: Juan-E.Martínez-Legaz (Barcelona) MSC: 52C15 05B40 90C99 PDFBibTeX XMLCite \textit{R. L. Graham} et al., Discrete Math. 181, No. 1--3, 139--154 (1998; Zbl 0901.52017) Full Text: DOI