Musicki Djordje,Zekovic Dragomir N (2016) Energy integrals for the systems with nonholonomic constraints of arbitrary form and origin, ACTA MECHANICA, vol. 227, br. 2, str. 467-493 (Article) 

Zekovic Dragomir N (2015) Energy integrals for mechanical systems with nonlinear nonholonomic constraints, INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS, vol. 73, br. , str. 108-113 (Article) 

Zekovic Dragomir N (2013) Dynamics of mechanical systems with nonlinear nonholonomic constraints. III Analysis of motion, ZAMM-ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, vol. 93, br. 8, str. 550-574 (Article) 

Zekovic Dragomir N (2012) Brachistochronic motion of nonholonomic nonlinear mechanical system of the Chaplygin type, MECHANICS RESEARCH COMMUNICATIONS, vol. 44, br. , str. 35-39 (Article) 

Zekovic Dragomir N (2011) Dynamics of mechanical systems with nonlinear nonholonomic constraints - II Differential equations of motion, ZAMM-ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, vol. 91, br. 11, str. 899-922 (Article) 

Zekovic Dragomir N (2011) Dynamics of mechanical systems with nonlinear nonholonomic constraints - I The history of solving the problem of a material realization of a nonlinear nonholonomic constraint, ZAMM-ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, vol. 91, br. 11, str. 883-898 (Article) 

Zekovic Dragomir N (2011) On the motion of a nonholonomically constrained system in the nonresonance case, MECHANICS RESEARCH COMMUNICATIONS, vol. 38, br. 4, str. 330-333 (Article)