The Distribution of Time for Clark’S Flow and Risk Assessment for the Activities of Pert Network Structure Duško Letić; Vesna Jevtić — 2009 The Yugoslav Journal of Operations Research
The relational translators of the hyperspherical functional matrix. Letic, Dusko; Cakic, Nenad; Davidovic, Branko — 2010 Advances in Difference Equations [electronic only]
The hyperspherical functions of a derivative. Cakic, Nenad; Letic, Duško; Davidovic, Branko — 2010 Abstract and Applied Analysis