@article{104668, author = {Franti\v sek Neuman}, title = {Centroaffine invariants of plane curves in connection with the theory of the second-order linear differential equations}, journal = {Archivum Mathematicum}, volume = {004}, year = {1968}, pages = {201-216}, zbl = {0218.34007}, mrnumber = {0267512}, language = {en}, url = {http://dml.mathdoc.fr/item/104668} }
Neuman, František. Centroaffine invariants of plane curves in connection with the theory of the second-order linear differential equations. Archivum Mathematicum, Tome 004 (1968) pp. 201-216. http://gdmltest.u-ga.fr/item/104668/
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