Starkov, V. N., M. S. Brodyn, P. M. Tomchuk, V. Ya. Gayvoronsky, and A. Yu. Boyarchuk. 2019. “Mathematical Interpretation of Experimental Research Results on Nonlinear Optical Material Properties”. Ukrainian Journal of Physics 60 (7):601. https://doi.org/10.15407/ujpe60.07.0601.