%0 Journal Article %A Ivanova, Petya N. %A Gorman, Arthur D. %T On caustics associated with the linearized vorticity equation %J Applications of Mathematics %D 1998 %P 255-262 %V 43 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1023/A:1023265821269/ %R 10.1023/A:1023265821269 %G en %F 10_1023_A_1023265821269