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机译:ARITHMETIC OF CONGRUENCE MONOIDS
Roosevelt Univ, Chicago, IL 60605 USA;
Univ Texas San Antonio, San Antonio, TX USA;
Univ Cambridge, Queens Coll, Cambridge, EnglandUniv Calif Los Angeles, Los Angeles, CA USASan Diego State Univ, San Diego, CA 92182 USAWashington Univ, St Louis, MO USA;
Arithmetic congruence monoid; Congruence monoid; Elasticity; Half-factorial; Nonunique factorization;