@article{ZNSL_1981_113_a13,
     author = {E. D. Gluskin},
     title = {Distances between certain symmetric spaces},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {218--224},
     publisher = {mathdoc},
     volume = {113},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_113_a13/}
}