%0 Journal Article %A A. V. Litavrin %T Endomorphisms and anti-endomorphisms of some finite groupoids %J Žurnal Srednevolžskogo matematičeskogo obŝestva %D 2022 %P 76-95 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SVMO_2022_24_1_a6/ %G ru %F SVMO_2022_24_1_a6