@article{10_21136_AM_1958_102632,
     author = {H\'ajek, Jaroslav},
     title = {On the theory of ratio estimates},
     journal = {Applications of Mathematics},
     pages = {384--398},
     publisher = {mathdoc},
     volume = {03},
     number = {5},
     year = {1958},
     doi = {10.21136/AM.1958.102632},
     mrnumber = {0100946},
     zbl = {0156.39804},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1958.102632/}
}