%0 Journal Article
%A Háčik, Miloš
%T Some analogues for higher monotonicity of the Sonin-Butlewski-Pólya theorem
%J Mathematica slovaca
%D 1981
%P 291-296
%V 31
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MASLO_1981__31_3_a6/
%G en
%F MASLO_1981__31_3_a6