1 |
B. Y. Chen, When does the position vector of a space curve always lie in its rectifying plane?, Amer. Math. Monthly 110 (2003), no. 2, 147-152.
DOI
ScienceOn
|
2 |
H. L. Liu, Y. H. Yu, and J. S. Dal, Invariants of non-developable ruled surfaces in Euclidean 3-space, Beitr. Algebra. Geom. 55 (2014), no. 1, 189-199.
DOI
|
3 |
H. L. Liu and Y. Yuan, Pitch functions of ruled surfaces and B-scrolls in Minkowski 3-space, J. Geom. Phys. 62 (2012), no. 1, 47-52.
DOI
ScienceOn
|
4 |
H. R. Muler, Uber geschlossene Bewegungsvorgange, Monotsh. Math. 55 (1951), 206-214.
DOI
|
5 |
Y. H. Yu and H. L. Liu, Structure and characterization of ruled surfaces in Euclidean 3-space, Appl. Math. Comput. 233 (2014), 252-259.
DOI
ScienceOn
|