1. L. Greengard,The Rapid Evaluation of Potential Fields in Particle Systems (MIT Press, Cambridge, 1987).
2. L. Greengard,Comp. Phys. 142(Mar./Apr.) (1990).
3. M. P. Allen and D. J. Tildesley,Computer Simulation of Liquids (Oxford University Press, 1990).
4. W. H. Press, inUse of Supercomputers in Stellar Dynamics, P. Hut and S. McMillian, eds. (Springer, 1986), p. 184.
5. L. Greengard and V. Rokhlin,J. Comput. Phys. 60:187 (1985).