Construction of Solutions of Gravitational, Electromagnetic, or Other Perturbation Equations from Solutions of Decoupled Equations
Robert M. Wald
Phys. Rev. Lett. 41, 203 (1978) - Published 24 July, 1978
Coherent States for General Potentials
Michael Martin Nieto and L. M. Simmons, Jr.
Phys. Rev. Lett. 41, 207 (1978) - Published 24 July, 1978