@article{MZM_1980_27_3_a12,
     author = {P. K. Belobrov},
     title = {Minimal extension of linear functionals to second dual spaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {439--445},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1980_27_3_a12/}
}