%0 Journal Article %A Janusz Jarosz %A Jerzy. Jaworski %T Time Complexity Reduction of Hard Problems %J Mathematica Applicanda %D 1986 %P 125-138 %V 14 %N 28 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v14i28.1679/ %R 10.14708/ma.v14i28.1679 %G pl %F 10_14708_ma_v14i28_1679