Fiala, J., & Paulusma, D. (2008). Comparing universal covers in polynomial time. In E. A. Hirsch, A. A. Razboro, A. Semenov, & A. Slissenko (Eds.), Computer science – theory and applications, Third International Computer Science Symposium in Russia, CSR 2008, 7-12 June 2008, Moscow, Russia ; proceedings (158-167). https://doi.org/10.1007/978-3-540-79709-8_18