%0 Journal Article %A Shibuya, Hikari %A Suzuki, Yusuke %T A note on the upper bounds on the size of bipartite and tripartite 1-embeddable graphs on surfaces %J Discussiones Mathematicae. Graph Theory %D 2023 %P 171-177 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2023_43_1_a10/ %G en %F DMGT_2023_43_1_a10