@article{03939801,
title = {Dispersive waves and caustics.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {8},
year = {1985},
pages = {93-107},
doi = {10.1155/S0161171285000084},
zbl = {0586.35006},
language = {en},
url = {http://dml.mathdoc.fr/item/03939801}
}
Gorman, Arthur D. Dispersive waves and caustics.. International Journal of Mathematics and Mathematical Sciences, Tome 8 (1985) pp. 93-107. doi : 10.1155/S0161171285000084. http://gdmltest.u-ga.fr/item/03939801/