@article{DAN_1957_113_5_a4,
     author = {M. I. Graev},
     title = {Irreducible unitary representations of the group of third order matrices conserving an indefinite {Hermite} form},
     journal = {Doklady Akademii Nauk},
     pages = {966--969},
     publisher = {mathdoc},
     volume = {113},
     number = {5},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_5_a4/}
}