Complexity in Prefix-Free Regular Languages - Galina Jirásková; Monika Krausová (DCFS, 2010)

Prefix-Free Regular Languages: Closure Properties, Difference, and Left Quotient. - Monika Krausová (MEMICS, 2011)

Prefix-Free Languages: Right Quotient and Reversal. - Jozef Jirásek 001; Galina Jirásková; Monika Krausová; Peter Mlynárcik; Juraj Sebej (DCFS, 2014)

Prefix-free languages: Left and right quotient and reversal. - Jozef Jirásek 001; Galina Jirásková; Monika Krausová; Peter Mlynárcik; Juraj Sebej (Theor. Comput. Sci., 2016)