%0 Journal Article
%A Ryjáček, Zdeněk
%T Graphs with nonisomorphic vertex neighbourhoods of the first and second types
%J Časopis pro pěstování matematiky
%D 1987
%P 390-394
%V 112
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1987.108555/
%R 10.21136/CPM.1987.108555
%G en
%F 10_21136_CPM_1987_108555