TY  - JOUR
AU  - Andrey V. Litavrin
TI  - On the bipolar classification of endomorphisms of a groupoid
JO  - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika
PY  - 2024
SP  - 378
EP  - 387
VL  - 17
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JSFU_2024_17_3_a8/
LA  - en
ID  - JSFU_2024_17_3_a8
ER  -