%0 Journal Article %A P. A. Irzhavskii %A Yu. A. Kartynnik %A Yu. L. Orlovich %T $1$-Triangle graphs and perfect neighborhood sets %J Diskretnyj analiz i issledovanie operacij %D 2017 %P 56-80 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2017_24_1_a3/ %G ru %F DA_2017_24_1_a3