Wave Trains Associated with a Cascade of Bifurcations of Space-Time Caustics over Elongated Underwater BanksS. Yu. Dobrokhotov, D. A. Lozhnikov and V. E. NazaikinskiiMath. Model. Nat. Phenom., 8 5 (2013) 1-12DOI: https://doi.org/10.1051/mmnp/20138501