1. M. Abramowitz, I.A. Stegun, Handbook of Mathematical Functions, Applied Mathematics Series (National Bureau of Standards, 1964), p. 55
2. M. Ahmadi, P. Stone, A multi-robot system for continuous area sweeping tasks, in IEEE International Conference on Robotics and Automation, 2006 (ICRA 2006) (2006)
3. S. Alpern, S. Gal, The Theory of Search Games and Rendezvous (Kluwer Academic Publishers, Boston, 2003)
4. Y. Altshuler, Multi Agents Robotics in Dynamic Environments. Ph.D. thesis, Israeli Institute of Technology, May 2010
5. Y. Altshuler, A.M. Bruckstein, The complexity of grid coverage by swarm robotics, in ANTS 2010 (LNCS, 2010), pp. 536–543