@article{MZM_2016_99_3_a4,
     author = {I. D. Kan},
     title = {Inversion of the {Cauchy--Bunyakovskii--Schwarz} {Inequality}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {361--365},
     publisher = {mathdoc},
     volume = {99},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2016_99_3_a4/}
}