@article{IVM_1996_10_a12,
     author = {N. Ya. Tikhonenko and N. N. Svyazhina},
     title = {On the compactness of a commutator on the real axis},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {83--87},
     publisher = {mathdoc},
     number = {10},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1996_10_a12/}
}