%0 Journal Article %A N. G. Parvatov %T The lower neighborhoods problem in a space with closure and a finitary theorem %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2011 %P 65-70 %N 2 %U http://geodesic.mathdoc.fr/item/IVM_2011_2_a6/ %G ru %F IVM_2011_2_a6