Grad and classes with bounded expansion III. Restricted graph homomorphism dualities.

Jaroslav Nesetril Patrice Ossona de Mendez Grad and classes with bounded expansion III. Restricted graph homomorphism dualities. 1012-1024 2008 29 Eur. J. Comb. 4 http://dx.doi.org/10.1016/j.ejc.2007.11.019 db/journals/ejc/ejc29.html#NesetrilM08b