Akturk, Selcuk Gu, Xun Gabolde, Pablo Trebino, Rick Media 1: The general theory of first-order spatio-temporal distortions of Gaussian pulses and beams Originally published in Optics Express on 17 October 2005 (oe-13-21-8642) oe;17 October 2005;media;Optics Express;Gaussian pulses;spatio-temporal distortions 2005-10-17
    https://opticapublishing.figshare.com/articles/media/Media_1_The_general_theory_of_first-order_spatio-temporal_distortions_of_Gaussian_pulses_and_beams/4933466
10.1364/OPEX.13.008642.m001