Space-time versus world surface conformal invariance for particles, strings and membranes
Citation
Abraham, E., Townsend, P., & Howe, P. S. (1989). Space-time versus world surface conformal invariance for particles, strings and membranes. Classical and Quantum Gravity, 6(11), 1541–1546. doi:10.1088/0264-9381/6/11/009