@article{SIGMA_2006_2_a87,
     author = {Francesco Calogero and Matteo Sommacal},
     title = {Solvable {Nonlinear} {Evolution} {PDEs} in {Multidimensional} {Space}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2006},
     volume = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a87/}
}