@article{MASLO_1981_31_3_a6,
author = {H\'a\v{c}ik, Milo\v{s}},
title = {Some analogues for higher monotonicity of the {Sonin-Butlewski-P\'olya} theorem},
journal = {Mathematica slovaca},
pages = {291--296},
year = {1981},
volume = {31},
number = {3},
mrnumber = {621919},
zbl = {0466.34016},
language = {en},
url = {http://geodesic.mathdoc.fr/item/MASLO_1981_31_3_a6/}
}
Háčik, Miloš. Some analogues for higher monotonicity of the Sonin-Butlewski-Pólya theorem. Mathematica slovaca, Tome 31 (1981) no. 3, pp. 291-296. http://geodesic.mathdoc.fr/item/MASLO_1981_31_3_a6/
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