A. Dement’ev, O. Vrublevskaja, V. Girdauskas, and R. Kazragytė, “Numerical Analysis of Short Pulse Optical Parametric Amplification Using Type I Phase Matching”, NAMC, vol. 9, no. 1, pp. 39–53, Jan. 2004, doi: 10.15388/NA.2004.9.1.15169.