@article{10_14708_ma_v10i19_1533,
     author = {Krzysztof Szajowski},
     title = {Optimal choice of an object with ath rank},
     journal = {Mathematica Applicanda},
     pages = { 51--65},
     publisher = {mathdoc},
     volume = {10},
     number = {19},
     year = {1982},
     doi = {10.14708/ma.v10i19.1533},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v10i19.1533/}
}