%0 Journal Article %A Kalina, Martin %T Nearness relations in linear spaces %J Kybernetika %D 2004 %P [441] %V 40 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2004__40_4_a2/ %G en %F KYB_2004__40_4_a2