On the improved family of simultaneous methods for the inclusion of multiple polynomial zeros. Milošević, Dušan M.; Petković, Ljiljana D. — 2005 Novi Sad Journal of Mathematics
On the fourth order root finding methods of Euler's type. Petković, Ljiljana D.; Petković, Miodrag S. — 2006 Novi Sad Journal of Mathematics
Safe convergence of Chebyshev-like method. Petković, Ljiljana D.; Petković, Miodrag S. — 2001 Novi Sad Journal of Mathematics