@article{SM_1969_9_2_a5,
     author = {M. M. Dragilev},
     title = {On special dimensions defined on some classes of {K\"othe} spaces},
     journal = {Sbornik. Mathematics},
     pages = {213--228},
     year = {1969},
     volume = {9},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1969_9_2_a5/}
}