@article{IM2_1969_3_5_a0,
     author = {D. P. Zhelobenko},
     title = {Operational calculus on a~complex semisimple {Lie} group},
     journal = {Izvestiya. Mathematics },
     pages = {881--916},
     publisher = {mathdoc},
     volume = {3},
     number = {5},
     year = {1969},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1969_3_5_a0/}
}