@article{VMJ_2003_5_4_a5,
     author = {V. P. Kondakov and A. I. Efimov},
     title = {On two classes of {K\"othe-Fr\'echet} spaces in which every complemented subspace has a basis},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {50--62},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2003_5_4_a5/}
}