@article{MZM_1978_23_4_a12,
     author = {B. V. Godun},
     title = {Weak $*$ derived sets of sets of linear functionals},
     journal = {Matemati\v{c}eskie zametki},
     pages = {607--616},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1978_23_4_a12/}
}