%0 Journal Article %A B. S. Kalitin %T Pseudo-prolongations in the qualitative theory of dynamical systems %J Journal of the Belarusian State University. Mathematics and Informatics %D 2022 %P 45-53 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/BGUMI_2022_3_a3/ %G ru %F BGUMI_2022_3_a3