@Article{npg-5-145-1998,
AUTHOR = {Kirwan Jr., A. D. and Lipphardt Jr., B. L.},
TITLE = {Integrable unsteady motion with an application to ocean eddies},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {5},
YEAR = {1998},
NUMBER = {3},
PAGES = {145--151},
URL = {http://www.nonlin-processes-geophys.net/5/145/1998/},
DOI = {10.5194/npg-5-145-1998}
}