@article{IVM_1987_10_a8,
     author = {L. A. Sherstneva},
     title = {On the properties of best {Lorentz} approximations, and certain embedding theorems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {48--58},
     publisher = {mathdoc},
     number = {10},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1987_10_a8/}
}