@article{MM2_1978__24_154537,
     author = {Ulrich Rieder},
     title = {Measurable {Selection} {Theorems} for {Optimization} {Problems.}},
     journal = {Manuscripta mathematica},
     pages = {115--132},
     publisher = {mathdoc},
     volume = {24},
     year = {1978},
     zbl = {0385.28005},
     url = {http://geodesic.mathdoc.fr/item/MM2_1978__24_154537/}
}