TY  - RPRT
TI  - Caustics for spherical waves
AU  - de Rham, Claudia
AU  - Motohashi, Hayato
PY  - 2017
DO  - 10.1103/physrevd.95.064008
UR  - https://www.osti.gov/biblio/1423957
ID  - 1423957
ER  -