@article{ZNSL_1999_256_a10,
     author = {Yu. A. Neretin},
     title = {Pseudo-Riemannian symmetric spaces: uniform realizations, and open embeddings into {Grassmanians}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {145--167},
     year = {1999},
     volume = {256},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1999_256_a10/}
}