Finding the k Most Vital Elements of an s-t Planar Directed Network Dimiter Ivanchev — 2000 The Yugoslav Journal of Operations Research
Sensitivity Analysis of Network Optimization Problems Dimiter Ivanchev — 1995 The Yugoslav Journal of Operations Research
Multicriteria Optimum Path Problems Dimiter Ivanchev; Dimitris Kydros — 1995 The Yugoslav Journal of Operations Research
Realization of Knapsack Problem Solving Algorithm and some of Its Applications Dimiter Ivanchev; Elena Radovanova — 2009 The Yugoslav Journal of Operations Research