TY - JOUR AU - Neuman, FrantiĊĦek TI - Centroaffine invariants of plane curves in connection with the theory of the second-order linear differential equations JO - Archivum mathematicum PY - 1968 SP - 201 EP - 216 VL - 4 IS - 4 UR - http://geodesic.mathdoc.fr/item/ARM_1968_4_4_a1/ LA - en ID - ARM_1968_4_4_a1 ER -