@article{JRAM_1957__198_150345,
     author = {K. B\"ogel},
     title = {Die {Struktur} der steigenden {Funktionen} einer {Ver\"anderlichen.} {III.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {73--80},
     publisher = {mathdoc},
     volume = {198},
     year = {1957},
     zbl = {0077.27302},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1957__198_150345/}
}