\Bibitem{DubStr86} \by G.~V.~Dubrovskiy, V.~M.~Strel'chenya \paper Relaxation of anharmonic molecules \jour Prikl. Mekh. Tekh. Fiz. \yr 1986 \vol 27 \issue 3 \pages 22--31 \mathnet{http://mi.mathnet.ru/pmtf5122} \transl \jour J. Appl. Mech. Tech. Phys. \yr 1986 \vol 27 \issue 3 \pages 335--344 \crossref{https://doi.org/10.1007/BF00910510}