@article{RM_1987_42_2_a11,
     author = {A. V. Karabegov},
     title = {On the operator connecting the~$pq$- and $qp$-symbols on a hyperboloid of one sheet},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {281--282},
     publisher = {mathdoc},
     volume = {42},
     number = {2},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1987_42_2_a11/}
}