%0 Journal Article
%A M. B. Abrosimov
%A S. V. Kostin
%A I. V. Los
%T The maximum number of vertices of primitive regular graphs of orders $2, 3, 4$ with exponent~$2$
%J Prikladnaâ diskretnaâ matematika
%D 2021
%P 97-104
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PDM_2021_2_a5/
%G ru
%F PDM_2021_2_a5