%0 Journal Article
%A B. Rokowska
%T A new construction of the block systems $B(4,1,25)$ and $B(4,1,28)$
%J Colloquium Mathematicum
%D 1977
%P 165-167
%V 38
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-38-1-165-167/
%R 10.4064/cm-38-1-165-167
%G en
%F 10_4064_cm_38_1_165_167