The integrals of motion of two-dimensional flows and the properties of four-mode representations, 1960s

The integrals of motion of two-dimensional flows and the properties of four-mode representations, 1960s, - 06 PDT 4 Box 13 Folder 22, Box: 13, Folder: 22. Philip Duncan Thompson Papers, - 06-PDT. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/1514 Accessed December 19, 2025.