TY  - JOUR
AU  - J. Mula
AU  - R. Poler
AU  - J.P. Garcia
TI  - MRP with flexible constraints: a fuzzy mathematical programming approach
JO  - Fuzzy Sets and Systems
PY  - 2006
VL  - 157
IS  - 1
SP  - 74
EP  - 97
ER  -