@article{RM_2022_77_3_a6,
     author = {L. O. Chekhov and M. Z. Shapiro and H. Shibo},
     title = {Roots of the characteristic equation for the symplectic groupoid},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {552--554},
     publisher = {mathdoc},
     volume = {77},
     number = {3},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2022_77_3_a6/}
}