2024-03-29T13:16:53Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/692872022-08-23T05:05:27Zhdl_2115_45007hdl_2115_116On the two-dimensional nonstationary vorticity equationsGiga, Y.410Department of Mathematics, Hokkaido UniversityDepartmental Bulletin Paperapplication/pdfhttp://hdl.handle.net/2115/69287info:doi/10.14943/83683https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/69287/1/pre538.pdfHokkaido University Preprint Series in Mathematics5381122001-09engpublisher