Comment on the paper by V.V. Tirski\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $$\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}$$ \end{document}, V.G. Ledenev, and V.M. Tomozov, Spectra of electromagnetic radiation from a hot plasma with langmuir turbulence in a magnetic field, fiz. plazmy 27, 423 (2001) [Plasma physics reports 27, 398 (2001)]