%0 Journal Article %A Neuman, FrantiĊĦek %T Centroaffine invariants of plane curves in connection with the theory of the second-order linear differential equations %J Archivum mathematicum %D 1968 %P 201-216 %V 04 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1968__4_4_a1/ %G en %F ARM_1968__4_4_a1