@article{KUKTF_1981_a6,
     author = {M. S. Matveichuk},
     title = {Lemma on the regularity of a~measure},
     journal = {Konstruktivnaya Teoriya Funktsii i Funktsional'nyi Analiz},
     pages = {51--54},
     publisher = {mathdoc},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKTF_1981_a6/}
}