@article{1178227541, author = {Vrancken, Luc}, title = {Affine surfaces with higher order parallel cubic form}, journal = {Tohoku Math. J. (2)}, volume = {43}, number = {1}, year = {1991}, pages = { 127-139}, language = {en}, url = {http://dml.mathdoc.fr/item/1178227541} }
Vrancken, Luc. Affine surfaces with higher order parallel cubic form. Tohoku Math. J. (2), Tome 43 (1991) no. 1, pp. 127-139. http://gdmltest.u-ga.fr/item/1178227541/