%0 Journal Article %A M. V. Svyatlovskiy %T Axiomatization and Polynomial Solvability of Strictly Positive Fragments of Certain Modal Logics %J Matematičeskie zametki %D 2018 %P 884-901 %V 103 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2018_103_6_a7/ %G ru %F MZM_2018_103_6_a7