%0 Journal Article %A Victor Dévoué %T Solving a hyperbolic equation in the first canonical form %J Novi Sad Journal of Mathematics %D 2021 %P 133 - 161 %V 51 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.10867/ %R 10.30755/NSJOM.10867 %F 10.30755/NSJOM.10867