%0 Journal Article %A Kutev, Nikolai %T Geometrical Methods for Solving of Fully Nonlinear Partial Differential Equations, by P. Popivanov %J Serdica Mathematical Journal %D 2006 %P 383-386 %V 32 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2006_32_4_a7/ %G en %F SMJ2_2006_32_4_a7