\Bibitem{BerGelGel75} \by J.~H.~Bernstein, I.~M.~Gel'fand, S.~I.~Gel'fand \paper Models of representations of compact Lie groups \jour Funktsional. Anal. i Prilozhen. \yr 1975 \vol 9 \issue 4 \pages 61--62 \mathnet{http://mi.mathnet.ru/faa2284} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=414792} \zmath{https://zbmath.org/?q=an:0339.22009} \transl \jour Funct. Anal. Appl. \yr 1975 \vol 9 \issue 4 \pages 322--324 \crossref{https://doi.org/10.1007/BF01075880}