20050922142500.0 0097-6377 Publications of the University of California at Los Angeles in mathematical and physical sciences 0097-6377 California 0097-6377 0097-6377 Publications of the University of California at Los Angeles in mathematical and physical sciences Publications of the University of California at Los Angeles in mathematical and physical sciences. 0097-6377 Publications of the University of California at Los Angeles in mathematical and physical sciences.