@article{GDZPPN002353245,
title = {The behaviour of the total twist and self-linking number of a closed space curve under inversions.},
journal = {Mathematica Scandinavica},
volume = {36},
year = {1975},
pages = {255-263},
zbl = {0326.53067},
url = {http://dml.mathdoc.fr/item/GDZPPN002353245}
}
Banchoff, Thomas F.; White, James H. The behaviour of the total twist and self-linking number of a closed space curve under inversions.. Mathematica Scandinavica, Tome 36 (1975) pp. 255-263. http://gdmltest.u-ga.fr/item/GDZPPN002353245/