%0 Journal Article %A Valentyn Tychynin %A Olga Petrova %A Olesya Tertyshnyk %T Nonlocal Symmetries and Generation of Solutions for Partial Differential Equations %J Symmetry, integrability and geometry: methods and applications %D 2007 %V 3 %U http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a18/ %G en %F SIGMA_2007_3_a18