%0 Journal Article %A Yu. L. Ershov %T Pre-minimal pairs and homogeneous valuations %J Algebra i logika %D 2022 %P 541-551 %V 61 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2022_61_5_a1/ %G ru %F AL_2022_61_5_a1