@article{MZM_1999_65_1_a0,
     author = {S. V. Astashkin},
     title = {On disjunctive strict singularity of embeddings of symmetric spaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {3--14},
     publisher = {mathdoc},
     volume = {65},
     number = {1},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_65_1_a0/}
}