TY - JOUR ID - iiasa5965 UR - https://pure.iiasa.ac.at/id/eprint/5965/ A1 - Mordukhovich, B.S. Y1 - 2000/// PB - Elsevier JF - Journal of Mathematical Analysis and Applications SN - 1096-0813 TI - An abstract extremal principle with applications to welfare economics SP - 187 AV - none EP - 216 ER -