%0 Journal Article %A F. I. Frankl' %T On existence of ``weak''-stable stationary trans-sonic flows with shock waves close to unstable continuous flows (formulation of the problem) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1960 %V 15 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1960_15_6_a10/ %G ru %F RM_1960_15_6_a10