A quadratic programming approach to the Randic index. - Ljiljana Pavlovic; Tomica Divnic (Eur. J. Oper. Res., 2007)

Proof of the first part of the conjecture of Aouchiche and Hansen about the Randić index. - Tomica Divnic; Ljiljana Pavlovic (Discret. Appl. Math., 2013)

On the conjecture of Aouchiche and Hansen about the Randić index. - Bolian Liu; Ljiljana Pavlovic; Tomica Divnic; Jianxi Liu; Marina M. Stojanovic (Discret. Math., 2013)

Extremal graphs for the geometric-arithmetic index with given minimum degree. - Tomica Divnic; Milica Milivojevic; Ljiljana Pavlovic (Discret. Appl. Math., 2014)