%0 Journal Article
%A H. Brzeskwiniewicz
%T Latent roots and off-diagonal elements of the association matrix in PBIB designs and the number of associate classes
%J Applicationes Mathematicae
%D 1991
%P 449-453
%V 21
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/am-21-3-449-453/
%R 10.4064/am-21-3-449-453
%G en
%F 10_4064_am_21_3_449_453