TY - BOOK AU - Henn,Rudolf AU - Korte,Bernhard AU - Oettli,Werner TI - Optimization and operations research T2 - Lecture notes in economics and mathematical systems (Springer-Verlag, Berlin) SN - 0-387-08842-3 U1 - 330.015193 21E PY - 1978/// CY - Berlin PB - Springer-Verlag N1 - Notes bibliogr ER -