INITIAL BOUNDARY VALUE PROBLEMS FOR FUSS-WINKLER-ZIMMERMANN AND SWIFT-HOHENBERG NONLINEAR EQUATIONS OF 4TH ORDER Article Kostin D.V. Matematicki Vesnik. Drustvo Matematicara Srbije. Vol. 70. 2018. P. 26-39
INITIAL–BOUNDARY VALUE PROBLEMS FOR FUSS-WINKLER-ZIMMERMANN AND SWIFT–HOHENBERG NONLINEAR EQUATIONS OF 4TH ORDER Article Kostin D.V. Matematicki Vesnik. Drustvo Matematicara Srbije. Vol. 70. 2018. P. 26-39
ON MONOTONICITY OF RATIOS OF SOME Q-HYPERGEOMETRIC FUNCTIONS Article Mehrez K., Sitnik S.M. Matematicki Vesnik. Drustvo Matematicara Srbije. Vol. 68. 2016. P. 225-231