@article{DAN_1969_188_2_a2,
     author = {B. S. Brudovskii},
     title = {Semi-integral and quasi-nuclear mappings},
     journal = {Doklady Akademii Nauk},
     pages = {269--271},
     publisher = {mathdoc},
     volume = {188},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_188_2_a2/}
}