For citations:
Chermnykh O.V. ON drl-SEMIGROUPS AND drl-SEMIRINGS. Chebyshevskii Sbornik. 2016;17(4):167-179. (In Russ.) https://doi.org/10.22405/2226-8383-2016-17-4-167-179
Chermnykh O.V. ON drl-SEMIGROUPS AND drl-SEMIRINGS. Chebyshevskii Sbornik. 2016;17(4):167-179. (In Russ.) https://doi.org/10.22405/2226-8383-2016-17-4-167-179