%0 Journal Article %A N. A. Khachatryan %T On interval total colorings of block graphs %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2015 %P 39-44 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2015_2_a6/ %G en %F UZERU_2015_2_a6