@article{SIGMA_2011_7_a22,
     author = {Olaf Lechtenfeld and Konrad Schwerdtfeger and Johannes Th\"urigen},
     title = {$\mathcal N=4$ {Multi-Particle} {Mechanics,} {WDVV} {Equation} and {Roots}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2011},
     volume = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2011_7_a22/}
}