Ba Ha, T., and N. Nhat Khanh. “LANDAU-POMERANCHUK-MIGDAL EFFECT FOR FINITE TARGETS. A FEYNMAN PATH INTEGRAL APPROACH”. Science and Technology Development Journal, Vol. 1, no. 1, Jan. 1998, pp. 19-32, doi:https://doi.org/10.32508/stdj.v1i1.3702.