@article{DAN_1970_193_1_a9,
     author = {V. P. Tanana},
     title = {Ill-posed problems and geometries of {Banach} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {43--45},
     publisher = {mathdoc},
     volume = {193},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_193_1_a9/}
}