%0 Journal Article %A V. A. Kibkalo %T First Appelrot class of pseudo-Euclidean Kovalevskaya system %J Čebyševskij sbornik %D 2023 %P 69-88 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2023_24_1_a5/ %G ru %F CHEB_2023_24_1_a5