Murenbeeld, M.; Trollope, J. R. (1970). Slowly Rotating Radiating Sphere and a Kerr-Vaidya Metric. Physical Review D, 1(12), 3220–3223.
doi:10.1103/PhysRevD.1.3220
url to share this paper:
An interview with Sci-Hub Founder Alexandra Elbakyan Who exactly should pay for academic research