TY  - JOUR
AU  - V. Ya. Shvarts
AU  - I. Sh. Yaroker
TI  - Extension elements of semigroups with one-sided unity elements
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1964
VL  - 19
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/RM_1964_19_4_a13/
LA  - ru
ID  - RM_1964_19_4_a13
ER  -