@article{10.30755/NSJOM.10867,
     author = {Victor D\'evou\'e},
     title = {Solving a hyperbolic equation in the first canonical form},
     journal = {Novi Sad Journal of Mathematics},
     pages = {133 - 161},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {2021},
     doi = {10.30755/NSJOM.10867},
     url = {http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.10867/}
}