@article{BGUMI_2022_3_a3,
     author = {B. S. Kalitin},
     title = {Pseudo-prolongations in the qualitative theory of dynamical systems},
     journal = {Journal of the Belarusian State University. Mathematics and Informatics},
     pages = {45--53},
     publisher = {mathdoc},
     volume = {3},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/BGUMI_2022_3_a3/}
}