%0 Journal Article %A L. L. Maksimova %T Constructive classifications of modal logics and extensions of minimal logic %J Algebra i logika %D 2019 %P 808-814 %V 58 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2019_58_6_a7/ %G ru %F AL_2019_58_6_a7