A Packing Problem
Canadian mathematical bulletin, Tome 10 (1967) no. 2, pp. 287-297
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Consider three externally tangent circles A, B, C, with radii a, b, c, respectively. Let D be the circle which is externally tangent to all three and enclosed by them. Pack circles so that Z1 = D and Zi is externally tangent to A, B, Zi-1.
Stanton, R.G.; Williams, H. C.; Zarnke, C. R. A Packing Problem. Canadian mathematical bulletin, Tome 10 (1967) no. 2, pp. 287-297. doi: 10.4153/CMB-1967-029-3
@article{10_4153_CMB_1967_029_3,
author = {Stanton, R.G. and Williams, H. C. and Zarnke, C. R.},
title = {A {Packing} {Problem}},
journal = {Canadian mathematical bulletin},
pages = {287--297},
year = {1967},
volume = {10},
number = {2},
doi = {10.4153/CMB-1967-029-3},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1967-029-3/}
}
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