TY  - BOOK
AU  - Wallis, Water D.,
AU  - George, John C.
TI  - Introduction to combinatorics
T2  - Discrete mathematics and its applications
SN  - 9781498777605
AV  - QA164 .W35 2017
PY  - 2017///
CY  - Boca Raton
PB  - CRC Press, Taylor & Francis Group
KW  - Combinatorial analysis
KW  - Textbooks
N1  - "A Chapman & Hall book."; Includes bibliographical references and index
ER  -