%0 Journal Article %A Rachůnková, Irena %T On Kneser problem for differential equations of the 3rd order %J Časopis pro pěstování matematiky %D 1990 %P 18-27 %V 115 %N 1 %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1990.108726/ %R 10.21136/CPM.1990.108726 %G en %F 10_21136_CPM_1990_108726