%0 Journal Article %A M. D. Bronshtein %T Differential equations that have nonanalytic solutions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1975 %V 30 %N 1 %U http://geodesic.mathdoc.fr/item/RM_1975_30_1_a10/ %G ru %F RM_1975_30_1_a10