한요섭 Gerhard Trippen Derick Wood 2024-01-21T00:03:34Z 2024-01-21T00:03:34Z 2022-01-10 2007-12 1430-189X https://pubs.kist.re.kr/handle/201004/133909 Simple-Regular Expressions and Languages Article 1 Journal of Automata, Languages and Combinatorics, v.12, pp.181 - 194 Journal of Automata, Languages and Combinatorics 12 181 194 Simple-Regular Languages descriptional complexity outfix-freeness and state expansion