@article{IM2_1981_17_1_a3,
     author = {D. N. Zarnadze},
     title = {Reflexivity and best approximations in {Fr\'echet} spaces},
     journal = {Izvestiya. Mathematics},
     pages = {87--94},
     year = {1981},
     volume = {17},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1981_17_1_a3/}
}