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Several characterizations and properties of these multifunctions along with their mutual relationships are established in\n                    <jats:italic>L<\/jats:italic>\n                    -fuzzy topological spaces. Later, composition and union between these multifunctions have been studied.\n                  <\/jats:p>","DOI":"10.3233\/ifs-151533","type":"journal-article","created":{"date-parts":[[2015,8,21]],"date-time":"2015-08-21T15:54:05Z","timestamp":1440172445000},"page":"2537-2546","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["On upper and lower\n                    <i>\u03b1<\/i>\n                    -continuous fuzzy multifunctions"],"prefix":"10.1177","volume":"28","author":[{"given":"M. A.","family":"Hebeshi","sequence":"first","affiliation":[{"name":"Department of Mathematics, Faculty of Science, Sohag University, Egypt"}],"role":[{"role":"author","vocab":"crossref"}]},{"given":"I. 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