00518nam a22001697a 450000500170000000800410001702000180005804000100007604100080008608200080009410000200010224500590012226000750018130000200025650000510027670000210032720241119072427.0241119b        |||||||| |||| 00| 0 eng d  a9781642245349  cjhcsc  heng  a511  aFujita, Takaaki  aDiscrete mathematics/cTakaaki Fujita, Koichi Yamazaki  aLewes Delaware, United States of America :bExcelic Press LLC,cc2020.  aix, b211 pages  aIncludes bibliographical references and index.  aYamazaki, Koichi