%0 Journal Article
%A Zelinka, Bohdan
%T Graphs in which each pair of vertices has exactly two common neighbours
%J Mathematica Bohemica
%D 1993
%P 163-165
%V 118
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/MB.1993.126053/
%R 10.21136/MB.1993.126053
%G en
%F 10_21136_MB_1993_126053