TY - JOUR AU - Zhang, Minjie AU - Li, Shuchao TI - Extremal properties of distance-based graph invariants for $k$-trees JO - Mathematica Bohemica PY - 2018 SP - 41 EP - 66 VL - 143 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2017.0011-16/ DO - 10.21136/MB.2017.0011-16 LA - en ID - 10_21136_MB_2017_0011_16 ER -