This work was supported by the Russian Foundation for Basic Research under grant 15-01-06302-a and by the program “Leading Scientific Schools” under grant NSh-7962.2016.1.
Citation:
E. A. Kudryavtseva, “Helicity is the Only Invariant of Incompressible Flows whose Derivative is Continuous in the C1 Topology”, Mat. Zametki, 99:4 (2016), 626–630; Math. Notes, 99:4 (2016), 611–615