@article{10_4064_cm108_2_3,
     author = {Adam H. Piwocki},
     title = {The determinant of oriented rotants},
     journal = {Colloquium Mathematicum},
     pages = {183--191},
     publisher = {mathdoc},
     volume = {108},
     number = {2},
     year = {2007},
     doi = {10.4064/cm108-2-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm108-2-3/}
}