TY - RPRT TI - Quasiclassical approximation for the beamstrahlung process. AU - AV Solov'yov AU - A Schäfer AU - C Hofmann PY - 1993 DO - 10.1103/physreve.47.2860 UR - https://pubmed.ncbi.nlm.nih.gov/9960318/ ID - 9960318 ER -