Author(s): R. Jackiw
-- physics/0010079 was replaced with a revised version
on Wed, 1 Nov 2000 17:20:28 GMT (9kb) --
Paper: physics/0010079
Comments: 9 pages; minor typos corrected; email correspondence to
jac...@mitlns.mit.edu
Report-no: MIT-CTP # 3036
Subj-class: Fluid Dynamics; Mathematical Physics
URL: http://arXiv.org/abs/physics/0010079