@article{FAA_2021_55_3_a4,
     author = {H. F\"uhr and J. Cheshmavar and A. Akbarnia},
     title = {On {R-dual} of type {III} in {Hilbert} spaces},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {62--74},
     publisher = {mathdoc},
     volume = {55},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2021_55_3_a4/}
}