@article{10_21136_AM_2020_0244_19,
     author = {Ekanayake, Dinesh B. and Ranpatidewage, Manjula Mahesh and LaFountain, Douglas J.},
     title = {Optimal packings for filled rings of circles},
     journal = {Applications of Mathematics},
     pages = {1--22},
     publisher = {mathdoc},
     volume = {65},
     number = {1},
     year = {2020},
     doi = {10.21136/AM.2020.0244-19},
     mrnumber = {4064587},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.2020.0244-19/}
}