Single mass equations for an antisymmetric tensor-bispinorLoide, Rein-Karl; Kõiv, Madis; Saar, ReinJournal of physics. A. Mathematical and general1983 / p. 463-467 https://www.ester.ee/record=b2318274*est https://iopscience.iop.org/article/10.1088/0305-4470/16/3/006/pdf