\Bibitem{BurIlyTer80} \by G.~I.~Burda, E.~P.~Ilyasov, Yu.~I.~Terent'ev, G.~Z.~Fainburg \paper Flow of non-Newtonian fluid in a channel with a large cavity \jour Prikl. Mekh. Tekh. Fiz. \yr 1980 \vol 21 \issue 3 \pages 81--84 \mathnet{http://mi.mathnet.ru/pmtf6181} \transl \jour J. Appl. Mech. Tech. Phys. \yr 1980 \vol 21 \issue 3 \pages 359--361 \crossref{https://doi.org/10.1007/BF00920772}