@article{EP_2012_36_a16,
     author = {Mohamed Hmissi and Imene Ben Salah and Hajer Taouil},
     title = {On the helix equation},
     journal = {ESAIM. Proceedings},
     pages = {197--208},
     publisher = {mathdoc},
     volume = {36},
     year = {2012},
     doi = {10.1051/proc/201236016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/proc/201236016/}
}