@article{MMO_1959_8_a4, author = {M. A. Naimark}, title = {Decomposition of a tensor product of irreducible representations of the proper {Lorentz} group into irreducible representations. {I.~The} case of a tensor product of representations of the fundamental series}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {121--153}, publisher = {mathdoc}, volume = {8}, year = {1959}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1959_8_a4/} }