@article{SIGMA_2008_4_a37,
     author = {Alexander Shapovalov and Andrey Trifonov and Elena Masalova},
     title = {Nonlinear {Fokker{\textendash}Planck} {Equation} in the {Model} of {Asset} {Returns}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2008},
     volume = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a37/}
}