TY - BOOK AU - Santos Gromicho, Joaquim António dos TI - Quasiconvex optimization and location theory SN - 9780792346944 SN - 97031691 U1 - 519.76 ANT PY - 1998/// CY - Dordrecht ; Boston PB - Kluwer KW - Convex functions KW - Mathematical optimization N1 - Includes bibliographical references (p. 199-209) and index ER -