TY - BOOK AU - Graver, Jack E., AU - Watkins, Mark E TI - Combinatorics with emphasis on the theory of graphs T2 - Graduate texts in mathematics SN - 0387902457 AV - QA164 G7 PY - 1977/// CY - New York PB - Springer Verlag KW - AnĂ¡lisis combinatorio KW - TeorĂ­a de grafos ER -