@article{GDZPPN000364150,
title = {On the General Motion-Planning Problem with Two Degrees of Freedom.},
journal = {Discrete \& computational geometry},
volume = {4},
year = {1989},
pages = {491-522},
zbl = {0685.68049},
url = {http://dml.mathdoc.fr/item/GDZPPN000364150}
}
Guibas, L.J.; Micha, Sharir; Sifrony, Shmuel. On the General Motion-Planning Problem with Two Degrees of Freedom.. Discrete & computational geometry, Tome 4 (1989) pp. 491-522. http://gdmltest.u-ga.fr/item/GDZPPN000364150/