%0 Journal Article
%A A. A. Makhnev
%A D. V. Paduchikh
%T On extensions of strongly regular graphs with eigenvalue 4
%J Trudy Instituta matematiki i mehaniki
%D 2015
%P 233-255
%V 21
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TIMM_2015_21_3_a24/
%G ru
%F TIMM_2015_21_3_a24