@article{MZM_1977_21_4_a11,
     author = {P. K. Belobrov},
     title = {The operator of minimal continuance of linear functionals},
     journal = {Matemati\v{c}eskie zametki},
     pages = {539--550},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1977_21_4_a11/}
}