Author: Dmitri Pavlov Format: MarkdownItexCorrected the reference to Wigner's paper: it was published in 1939, not 1993.
<a href="https://ncatlab.org/nlab/revision/diff/unitary+representation+of+the+Poincar%C3%A9+group/23">diff</a>, <a href="https://ncatlab.org/nlab/revision/unitary+representation+of+the+Poincar%C3%A9+group/23">v23</a>, <a href="https://ncatlab.org/nlab/show/unitary+representation+of+the+Poincar%C3%A9+group">current</a>
Corrected the reference to Wigner’s paper: it was published in 1939, not 1993.