TY - BOOK AU - Kisačanin, Branislav TI - Mathematical problems and proofs : combinatorics, number theory, and geometry SN - 9780306459672 SN - 98037206 U1 - 511.6 KIS PY - 1998/// CY - New York PB - Plenum Press KW - Combinatorial analysis KW - Geometry KW - Number theory KW - Set theory N1 - Includes bibliographical references (p. 211-213) and index ER -