%0 Journal Article %A V. R. Dushin %T The unsteady radial motion of a ring of non-Newtonian fluid with free boundaries %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1988 %P 68-71 %N 5 %U http://geodesic.mathdoc.fr/item/VMUMM_1988_5_a18/ %G ru %F VMUMM_1988_5_a18