TY - JOUR AU - Ekanayake, Dinesh B. AU - Ranpatidewage, Manjula Mahesh AU - LaFountain, Douglas J. TI - Optimal packings for filled rings of circles JO - Applications of Mathematics PY - 2020 SP - 1 EP - 22 VL - 65 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.2020.0244-19/ DO - 10.21136/AM.2020.0244-19 LA - en ID - 10_21136_AM_2020_0244_19 ER -