00672nam a22001931 4500 1/17829 010928s1963 enk 1 eng d 18354 DLC GR-PeUP 512.5 RY Ryser, Herbert John. Combinatorial mathematics / Herbert John Ryser [Buffalo]: Mthematical Association of America; 1963 xiv,154p.; 20cm. The Carus mathematical monographs ; Includes bibliographical references. Combinations (Mathematics) The Carus mathematical monographs ; 14 INST UNIPILB MAIN 20040709 512.5 RY 00136949 00136949 LOAN 0 1