%0 Journal Article %A Victor A. Vassiliev %T New Examples of Irreducible Local Diffusion of Hyperbolic PDE's %J Symmetry, integrability and geometry: methods and applications %D 2020 %V 16 %U http://geodesic.mathdoc.fr/item/SIGMA_2020_16_a8/ %G en %F SIGMA_2020_16_a8