TY - JOUR AU - Alexander Shapovalov AU - Andrey Trifonov AU - Elena Masalova TI - Nonlinear Fokker–Planck Equation in the Model of Asset Returns JO - Symmetry, integrability and geometry: methods and applications PY - 2008 VL - 4 UR - http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a37/ LA - en ID - SIGMA_2008_4_a37 ER -