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In particular the joins LSl \u2228 Ab, LSl \u2228 G, LSl \u2228 OCR and LSl \u2228 CR are decidable.<\/jats:p>","DOI":"10.1142\/s0218196712500609","type":"journal-article","created":{"date-parts":[[2012,8,13]],"date-time":"2012-08-13T00:37:01Z","timestamp":1344818221000},"page":"1250060","source":"Crossref","is-referenced-by-count":1,"title":["TAMENESS OF JOINS INVOLVING THE PSEUDOVARIETY OF LOCAL SEMILATTICES"],"prefix":"10.1142","volume":"22","author":[{"given":"JOS\u00c9 CARLOS","family":"COSTA","sequence":"first","affiliation":[{"name":"Centro de Matem\u00e1tica e Departamento de Matem\u00e1tica e Aplica\u00e7\u00f5es, Universidade do Minho, Campus de Gualtar, 4700-320 Braga, Portugal"}]},{"given":"CONCEI\u00c7\u00c3O","family":"NOGUEIRA","sequence":"additional","affiliation":[{"name":"Escola Superior de Tecnologia e Gest\u00e3o, Instituto Polit\u00e9cnico de Leiria, Campus 2, Morro do Lena, Alto Vieiro, 2411-901 Leiria, Portugal"}]}],"member":"219","published-online":{"date-parts":[[2012,12,3]]},"reference":[{"key":"rf1","doi-asserted-by":"publisher","DOI":"10.2307\/2275184"},{"key":"rf2","doi-asserted-by":"publisher","DOI":"10.1142\/9789812831644"},{"key":"rf3","doi-asserted-by":"publisher","DOI":"10.1142\/9789812776884_0001"},{"key":"rf4","doi-asserted-by":"publisher","DOI":"10.1007\/s00605-005-0324-1"},{"key":"rf5","doi-asserted-by":"crossref","first-page":"445","DOI":"10.4171\/pm\/1792","volume":"64","author":"Almeida J.","journal-title":"Port. 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