@article{IVM_1986_7_a7,
     author = {O. V. Epifanov},
     title = {Variations of weakly sufficient sets in spaces of analytic functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {50--56},
     year = {1986},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1986_7_a7/}
}