%0 Journal Article %A Neuman, František %T Categorial approach to global transformations of the $n$-th order linear differential equations %J Časopis pro pěstování matematiky %D 1977 %P 350-355 %V 102 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1977.108526/ %R 10.21136/CPM.1977.108526 %G en %F 10_21136_CPM_1977_108526