Bang-Yen Chen. When Does the Position Vector of a Space Curve Always Lie in Its Rectifying Plane?. The American Mathematical Monthly, 110(2):147-152, 2003. [doi]
@article{Chen03-15,
title = {When Does the Position Vector of a Space Curve Always Lie in Its Rectifying Plane?},
author = {Bang-Yen Chen},
year = {2003},
url = {http://www.jstor.org/stable/3647775},
researchr = {https://researchr.org/publication/Chen03-15},
cites = {0},
citedby = {0},
journal = {The American Mathematical Monthly},
volume = {110},
number = {2},
pages = {147-152},
}