TY - BOOK AU - Islam,Sardar M.N.. TI - Mathematical economics of multi-level optimisation: theory and application T2 - Contributions to economics (Physica-Verlag Rudolf Liebing, Wurzburg) SN - 3-7908-1050-9 U1 - 330.1543 21E PY - 1997/// CY - Wurzburg PB - Physica-Verlag Rudolf Liebing N1 - Bibliogr. p. 271-281 ER -