@article{RM_1968_23_2_a0,
     author = {I. M. Gel'fand and V. A. Ponomarev},
     title = {Indecomposable representanions of the {Lorentz} group},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1--58},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1968},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1968_23_2_a0/}
}