TY - JOUR AU - Yin, Jian-Hua AU - Wang, Bing TI - About an extremal problem of bigraphic pairs with a realization containing $K_{s,t}$ JO - Discussiones Mathematicae. Graph Theory PY - 2023 SP - 437 EP - 444 VL - 43 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMGT_2023_43_2_a7/ LA - en ID - DMGT_2023_43_2_a7 ER -