TY - BOOK AU - Hell, Pavol AU - Nešetřil, Jaroslav. TI - Graphs and homomorphisms T2 - Oxford lecture series in mathematics and its applications SN - 9780198528173 U1 - 511.5 PY - 2004/// CY - Oxford PB - Oxford University Press KW - KW - Graph theory KW - Homomorphisms (Mathematics) N1 - Includes bibliographical references and index ER -