Zbigniew R. Bogdanowicz
      Optimization of persistent land coverage by swarm of drones
      Applied Mathematical Sciences, Vol. 12, 2018, no. 25, 1219-1237
      https://doi.org/10.12988/ams.2018.88115

Copyright © 2018 Zbigniew R. Bogdanowicz. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.