@INPROCEEDINGS( PSC2023-7, 
 author = "Ond{\v r}ej Guth",
 title = "On Expressive Power of Regular Expressions with Subroutine Calls and Lookaround Assertions",
 booktitle = "Proceedings of the Prague Stringology Conference 2023",
 address = "Czech Technical University in Prague, Czech Republic",
 editor = "Jan Holub and Jan {\v{Z}}{\v{d}}{\'{a}}rek",
 isbn = "978-80-01-07206-6",
 year = 2023,
 pages = "68--82",
)