TY - JOUR AU - Ivanova, Petya N. AU - Gorman, Arthur D. TI - On caustics associated with the linearized vorticity equation JO - Applications of Mathematics PY - 1998 SP - 255 EP - 262 VL - 43 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1023/A:1023265821269/ DO - 10.1023/A:1023265821269 LA - en ID - 10_1023_A_1023265821269 ER -