1. Jiří Fiala, Jan Hubička, Yangjing Long, Constrained homomorphism orders, In preparation.
2. Constrained homomorphism orders (extended abstract);Fiala,2012
3. Universality of intervals of line graph order;Fiala;European Journal of Combinatorics,2014
4. Matrix and graph orders derived from locally constrained graph homomorphisms;Fiala,2005
5. Graphs and homomorphisms;Hell,2004