On conformally covariant spin 3/2 and spin 2 equations
Loide, Rein-Karl
Journal of physics. A. Mathematical and general
1986
/
p. 827-829
https://www.ester.ee/record=b2318274*est
https://iopscience.iop.org/article/10.1088/0305-4470/19/5/037/pdf