For citations:
Vechtomov E.M., Petrov A.A. VARIETY OF SEMIRINGS GENERATED BY TWO-ELEMENT SEMIRINGS WITH COMMUTATIVE IDEMPOTENT MULTIPLICATION. Chebyshevskii Sbornik. 2014;15(3):12-30. (In Russ.) https://doi.org/10.22405/2226-8383-2014-15-3-12-30
Vechtomov E.M., Petrov A.A. VARIETY OF SEMIRINGS GENERATED BY TWO-ELEMENT SEMIRINGS WITH COMMUTATIVE IDEMPOTENT MULTIPLICATION. Chebyshevskii Sbornik. 2014;15(3):12-30. (In Russ.) https://doi.org/10.22405/2226-8383-2014-15-3-12-30