F. Aurenhammer and H. Edelsbrunner, “An optimal algorithm for constructing the weighted Voronoi diagram in the plane,” Pattern Recognition, vol. 17, no. 2. Elsevier, pp. 251–257, 1983.
LibreCat: https://research-explorer.ista.ac.at/record/4125
DOI: 10.1016/0031-3203(84)90064-5