@article{AM2_1992__44_1_137491,
     author = {Walter Bossert and Andreas Pfingsten},
     title = {Ordinal utility and economic price indices.},
     journal = {Aequationes mathematicae},
     pages = {188--193},
     publisher = {mathdoc},
     volume = {44},
     number = {1},
     year = {1992},
     zbl = {0769.90007},
     url = {http://geodesic.mathdoc.fr/item/AM2_1992__44_1_137491/}
}