@article{GDZPPN002221063, title = {Measurable Selection Theorems for Optimization Problems.}, journal = {Manuscripta mathematica}, volume = {25}, year = {1978}, pages = {115-132}, zbl = {0385.28005}, url = {http://dml.mathdoc.fr/item/GDZPPN002221063} }
Rieder, Ulrich. Measurable Selection Theorems for Optimization Problems.. Manuscripta mathematica, Tome 25 (1978) pp. 115-132. http://gdmltest.u-ga.fr/item/GDZPPN002221063/