@article{Brlek:2009-pr,
title={{L}yndon + {C}hristoffel = digitally convex},
author={{B}rlek, {S}. and {L}achaud, J.-O. and {P}roven{\c{c}}al, {X}. and {R}eutenauer, {C}.},
keywords={{D}igital convexity; {L}yndon words; {C}hristoffel words; {C}onvex hull},
pages={2239-2246 },
journal={{P}attern {R}ecognition },
volume={42 },
number={10 },
audience={internationale },
doi={10.1016/j.patcog.2008.11.010 },
day={19},
year={2009},
URL={dx.doi.org/10.1016/j.patcog.2008.11.010 http://hal.archives-ouvertes.fr/hal-00395219/en/},
}