@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/