Magid, M., Scharlach, C., and Vrancken, L.. "Affine umbilical surfaces in R4.." Manuscripta mathematica 88.3 (1995): 275-290. <http://eudml.org/doc/156128>.
@article{Magid1995, author = {Magid, M., Scharlach, C., Vrancken, L.}, journal = {Manuscripta mathematica}, keywords = {affine surfaces; codimension two; transversal planes; Weingarten operator; affine umbilical}, number = {3}, pages = {275-290}, title = {Affine umbilical surfaces in R4.}, url = {http://eudml.org/doc/156128}, volume = {88}, year = {1995}, }
TY - JOUR AU - Magid, M. AU - Scharlach, C. AU - Vrancken, L. TI - Affine umbilical surfaces in R4. JO - Manuscripta mathematica PY - 1995 VL - 88 IS - 3 SP - 275 EP - 290 KW - affine surfaces; codimension two; transversal planes; Weingarten operator; affine umbilical UR - http://eudml.org/doc/156128 ER -