Izumiya, Shyuichi, and Takeuchi, Nobuko. "Special curves and ruled surfaces.." Beiträge zur Algebra und Geometrie 44.1 (2003): 203-212. <http://eudml.org/doc/223081>.
@article{Izumiya2003, author = {Izumiya, Shyuichi, Takeuchi, Nobuko}, journal = {Beiträge zur Algebra und Geometrie}, keywords = {cylindrical helix; Bertrand curve; ruled surfaces}, language = {eng}, number = {1}, pages = {203-212}, publisher = {Springer}, title = {Special curves and ruled surfaces.}, url = {http://eudml.org/doc/223081}, volume = {44}, year = {2003}, }
TY - JOUR AU - Izumiya, Shyuichi AU - Takeuchi, Nobuko TI - Special curves and ruled surfaces. JO - Beiträge zur Algebra und Geometrie PY - 2003 PB - Springer VL - 44 IS - 1 SP - 203 EP - 212 LA - eng KW - cylindrical helix; Bertrand curve; ruled surfaces UR - http://eudml.org/doc/223081 ER -