@article{articleb1bd0700,
title   = {Finite series expressions to evaluate the beam shape coefficients of a Laguerre–Gauss beam freely propagating},
author = {Gouesbet, Gérard and Votto, Luiz Felipe Machado and Ambrosio, Leonardo André},
year = {2019},
doi = {10.1016/j.jqsrt.2019.01.023},
journal   = {Journal of Quantitative Spectroscopy & Radiative Transfer}
}