@article{DAN_1969_187_2_a9,
     author = {Ya. A. Kofner},
     title = {A new class of spaces and some problems from symmetrizability theory},
     journal = {Doklady Akademii Nauk},
     pages = {270--273},
     publisher = {mathdoc},
     volume = {187},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_187_2_a9/}
}