TY  - JOUR
AU  - B. M. Shain
TI  - Involutary semigroups of complete binary relations
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 1300
EP  - 1303
VL  - 156
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_156_6_a12/
LA  - ru
ID  - DAN_1964_156_6_a12
ER  -