@article{JSFU_2019_12_4_a0,
     author = {Simon Gindikin},
     title = {Upper half-plane in the {Grassmanian} $Gr(n;2n)$},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {406--411},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2019_12_4_a0/}
}