Publication The Word Problem for Some Classes of Semigroups Yuri Gurevich Algebra and Logic (Russian) | July 1966, pp. 25-35
Publication Elementary Properties of Ordered Abelian Groups Yuri Gurevich AMS Translations | October 1965, Vol 46: pp. 165-192
Publication Universal Equivalence of Ordered Abelian Groups Yuri Gurevich Algebra and Logic | April 1963, pp. 37-39
