. "Pisa" . "Sopena, Eric" . "Study of the homomorphism relation between signed graphs where the underlying graph G is bipartite."@en . . . "Homomorphisms of signed bipartite graphs"@en . "2013-09-09+02:00"^^ . "Homomorphisms of signed bipartite graphs"@en . "[F92E55D06FB4]" . "Study of the homomorphism relation between signed graphs where the underlying graph G is bipartite." . "P(EE2.3.30.0013)" . . "78003" . . "Rollov\u00E1, Edita" . "3"^^ . . "RIV/49777513:23520/13:43922739!RIV15-MSM-23520___" . "1"^^ . . . . . "Homomorphisms of signed bipartite graphs" . . . "23520" . . "homomorphism, signed graph, bipartite graph"@en . . "Heidelberg" . "The Seventh European Conference on Combinatorics, Graph Theory and Applications" . "978-88-7642-474-8" . . "RIV/49777513:23520/13:43922739" . "6"^^ . "Springer-Verlag" . "Homomorphisms of signed bipartite graphs" . . "Naserasr, Reza" .